<div data-id="1" style="text-align:left">1. SCOPE</div>

<div data-id="2" style="text-align:left">2. APPLICATION TO METERING CODES OF PRACTICE</div>

<div data-id="3" style="text-align:left">3. REFERENCES</div>

<div data-id="4-4.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.1 Accredited Laboratory</div>

<div data-id="4-4.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.2 AC/DC Transfer Standard</div>

<div data-id="4-4.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.3 AC Transfer Standard</div>

<html><head></head><body><div data-id="4-4.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.4 Actual <u class="defined-term"><u class="defined-term">Meter</u>ing Point</u></div></body></html>

<html><head></head><body><div data-id="4-4.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.5 Blank Calibrated <u class="defined-term">Meter</u></div></body></html>

<div data-id="4-4.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.6 Calibration</div>

<html><head></head><body><div data-id="4-4.7" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.7 Compensated <u class="defined-term">Meter</u></div></body></html>

<html><head></head><body><div data-id="4-4.8" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.8 Defined <u class="defined-term"><u class="defined-term">Meter</u>ing Point</u></div></body></html>

<div data-id="4-4.9" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.9 Dispensation Application</div>

<div data-id="4-4.10" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.10 Electricity *</div>

<html><head></head><body><div data-id="4-4.11" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.11 <u><u class="defined-term">Meter</u></u></div></body></html>

<html><head></head><body><div data-id="4-4.12" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.12 <u class="defined-term"><u class="defined-term">Meter</u>ing Equipment</u> **</div></body></html>

<html><head></head><body><div data-id="4-4.13" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.13 <u class="defined-term">Meter</u> Register</div></body></html>

<div data-id="4-4.14" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.14 Mobile Standard</div>

<div data-id="4-4.15" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.15 on-site accuracy test</div>

<div data-id="4-4.16" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.16 <u class='defined-term'>Outstation</u></div>

<div data-id="4-4.17" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.17 overall accuracy</div>

<div data-id="4-4.18" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.18 Reference Standard</div>

<div data-id="4-4.19" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.19 Reference Temperature</div>

<html><head></head><body><div data-id="4-4.20" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.20 <u class="defined-term">Settlement</u> Instation</div></body></html>

<div data-id="4-4.21" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.21 Standard(s)</div>

<div data-id="4-4.22" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.22 Transfer Standard</div>

<div data-id="4-4.23" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">4.23 Working Standard</div>

<div data-id="4" style="text-align:left">4. DEFINITIONS AND INTERPRETATIONS</div>

<div data-id="5-5.1-5.1.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">5.1.1 Reference Standards, shall be maintained at the appropriate Reference <span>Temperature within a tolerance of ±2</span><span></span><span>C.</span></div>

<html><head></head><body><div data-id="5-5.1-5.1.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">5.1.2 <span>Save in so far as it is necessary to comply with the accuracy requirements of this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u>, Reference Standard CTs and VTs need not be maintained at a Reference Temperature in accordance with 5.1.1 where it is impracticable.</span></div></body></html>

<div data-id="5-5.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.1 Temperature tolerance</div>

<div data-id="5-5.2-5.2.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">5.2.1 <span>Reference Standard(s), other than Reference Standard CTs and VTs, shall, unless its measurement traceability is maintained by radio communication, be verified at an Accredited Laboratory at intervals dependent on the specification(s) but in no case less frequently than at intervals of 24 months.</span></div>

<div data-id="5-5.2-5.2.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">5.2.2 <span>Reference Standard CTs and VTs shall be calibrated by an Accredited Laboratory at intervals not exceeding 5 years. Where records are made available to the Technical Assurance Agent, which show either a negligible or predictable deviation from previous calibrations, the Technical Assurance Agent may in such a case permit the interval between such calibrations to be increased.</span></div>

<div data-id="5-5.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.2 Calibration intervals</div>

<div data-id="5-5.3-5.3.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">5.3.1<span> During periods of use of a Reference Standard (i.e. between calibrations at Accredited Laboratories) satisfactory evidence shall be produced and made available to the Technical Assurance Agent to substantiate the stability of that Reference Standard.</span></div>

<div data-id="5" style="text-align:left">5. REFERENCE STANDARDS</div>

<div data-id="6-6.1-6.1.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">6.1.1 <span>AC/DC Transfer Standards shall be maintained at the appropriate Reference Temperature within a tolerance of ±2</span><span></span><span>C.</span></div>

<div data-id="6-6.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.1 Temperature tolerance</div>

<div data-id="6-6.2-6.2.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">6.2.1 <span>AC/DC Transfer Standards shall be verified at an Accredited Laboratory at intervals dependent on their specifications but in no case less frequently than at intervals of 24 months. </span></div>

<div data-id="6-6.2-6.2.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">6.2.2 <span>Where records are made available to the Technical Assurance Agent, which show either negligible or predictable deviation from previous calibrations, the Technical Assurance Agent may in such a case permit the interval between such calibrations to be increased up to an interval of 5 years.</span></div>

<div data-id="6-6.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">6.2 Calibration intervals</div>

<div data-id="6" style="text-align:left">6. AC/DC TRANSFER STANDARDS</div>

<div data-id="6.3.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">6.3.1 <span>Prior to use of a AC/DC Transfer Standard (i.e. between calibrations at an Accredited Laboratory) the AC/DC Transfer Standard shall be calibrated against Reference Standard(s).</span></div>

<div data-id="6.3.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">6.3.2 <span>An AC/DC Transfer Standard need not be calibrated against a Reference Standard prior to use, where records are made available to the Technical Assurance Agent, which show either negligible or predictable deviation from previous calibrations, the Technical Assurance Agent may in such a case permit an interval between such calibrations of up to 6 months.</span></div>

<html><head></head><body><div data-id="7-7.1-7.1.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">7.1.1 Save in so far as it is necessary to comply with the accuracy requirements of this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u>, AC Transfer Standards need not be maintained at a given temperature.</div></body></html>

<div data-id="7-7.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">7.1 Temperature tolerance</div>

<div data-id="7-7.2-7.2.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">7.2.1 <span>AC Transfer Standards need not be verified at an Accredited Laboratory provided that they have been calibrated in accordance with 7.2.2 or 7.2.3.</span></div>

<div data-id="7-7.2-7.2.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">7.2.2 <span>AC Transfer Standards shall be calibrated against Reference Standards or AC/DC Transfer Standards at monthly intervals.</span></div>

<div data-id="7-7.2-7.2.3" style="margin-left:1in;text-align:left;text-indent:-0.5in">7.2.3 <span>Where records are made available to the Technical Assurance Agent, which show either a negligible or predictable deviation from previous calibrations, the Technical Assurance Agent may in such a case permit the interval between such calibrations to be increased up to an interval of 6 months.</span></div>

<div data-id="7-7.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">7.2 Calibration intervals</div>

<div data-id="7-7.3-7.3.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">7.3.1 <span>Where any AC Transfer Standard is used for on-site calibration or testing it should be calibrated before and after use. Neither the period from calibration to use nor the period from use to next calibration shall exceed one week.</span></div>

<div data-id="7-7.4-7.4.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">7.4.1 <span>When an AC Transfer Standard is calibrated and is found to be outside its specification, the reason shall be investigated and the occurrence reported to the Technical Assurance Agent within 3 working days of its discovery. Notification shall be given to the Technical Assurance Agent of the details and results of the investigation. The results of the investigation shall, inter alia, show:-</span></div>

<div data-id="7-7.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">7.4 Outside specification</div>

<div data-id="7" style="text-align:left">7. AC TRANSFER STANDARDS</div>

<html><head></head><body><div data-id="8-8.1-8.1.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">8.1.1 <span>Save in so far as it is necessary to comply with the accuracy requirements of this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u>, Working Standards need not be maintained at a given temperature.</span></div></body></html>

<div data-id="8-8.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">8.1 Temperature tolerance</div>

<div data-id="8-8.2-8.2.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">8.2.1 <span>Working Standards need not be verified at an Accredited Laboratory provided that they have been calibrated in accordance with 8.2.2 or 8.2.3.</span></div>

<div data-id="8-8.2-8.2.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">8.2.2 <span>Working Standards shall be calibrated against Reference Standards or Transfer Standards at monthly intervals.</span></div>

<div data-id="8-8.2-8.2.3" style="margin-left:1in;text-align:left;text-indent:-0.5in">8.2.3 <span>Where records are made available to the Technical Assurance Agent, which show either a negligible or predictable deviation from previous calibrations, the Technical Assurance Agent may in such a case permit the interval between such calibrations to be increased up to an interval of 6 months.</span></div>

<div data-id="8-8.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">8.2 Calibration intervals</div>

<div data-id="8-8.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">8.3 Outside specification</div>

<div data-id="8" style="text-align:left">8. WORKING STANDARDS</div>

<html><head></head><body><div data-id="9-9.1-9.1.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">9.1.1 <span>This <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> does not require the Standards of any <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u> to be maintained or used at any one location.</span></div></body></html>

<div data-id="9-9.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">9.1 Location</div>

<div data-id="9-9.2-9.2.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">9.2.1 <span>Reference standards and AC/DC Transfer Standards shall not be Mobile Standards and shall remain in one location as far as possible and only be moved for verification at an Accredited Laboratory.</span></div>

<div data-id="9-9.2-9.2.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">9.2.2 <span>AC Transfer Standards and Working Standards may be Mobile Standards.</span></div>

<div data-id="9-9.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">9.2 Mobility</div>

<div data-id="9" style="text-align:left">9. LOCATION AND MOBILITY OF STANDARDS</div>

<html><head></head><body><div data-id="10-10.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.1 <span><u class="defined-term">Meter</u>s shall be calibrated and tested using standards complying with this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> to demonstrate compliance of such Meters with the accuracy requirements of the <u class="defined-term">Code</u>.</span></div></body></html>

<div data-id="10-10.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.2 Overall uncertainty</div>

<html><head></head><body><div data-id="10-10.3-10.3.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.3.1 <span><u class="defined-term">Meter</u>s shall be calibrated such that the overall accuracy is within the percentage error limits as defined in Table 1 (for <u class="defined-term">Active Energy</u> <u class="defined-term"><u class="defined-term">Meter</u></u>s) or as appropriate Table 3 (for <u class="defined-term">Reactive Energy</u> Meters). The overall uncertainty of measurement of the calibration shall not exceed the limits specified in Tables 1 or 3 as appropriate.</span></div></body></html>

<html><head></head><body><div data-id="10-10.3-10.3.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.3.2 <span>All initial calibrations of <u class="defined-term">Meter</u>s shall be performed in a laboratory or test house (including any <u class="defined-term">Meter</u> manufacturer's works).</span></div></body></html>

<html><head></head><body><div data-id="10-10.3-10.3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.3.3 The reference conditions for influence quantities and voltage and current balance shall be as in the appropriate <u class="defined-term"><u class="defined-term">Meter</u></u> specification or for <u class="defined-term">Class</u> 2.0 <u class="defined-term">Active Energy</u> Meters as are set out under the Electricity Act 1989.</div></body></html>

<div data-id="10-10.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.3 Calibration</div>

<html><head></head><body><div data-id="10-10.4-10.4.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.4.1 <span><u class="defined-term">Meter</u>s shall be on-site accuracy tested to demonstrate that the overall accuracy is within the percentage error limit defined in Table 2 (for <u class="defined-term">Active Energy</u> <u class="defined-term"><u class="defined-term">Meter</u></u>s), or Table 4 (for <u class="defined-term">Reactive Energy</u> Meters). The overall uncertainty of measurement of the on-site accuracy test shall not exceed the limits specified in Table 2 or 4 as appropriate.</span></div></body></html>

<html><head></head><body><div data-id="10-10.4-10.4.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.4.2 <span>For any <u class="defined-term">Active Energy</u> <u class="defined-term">Meter</u> an on-site accuracy test may performed by an injection test or at a prevailing load.</span></div></body></html>

<html><head></head><body><div data-id="10-10.4-10.4.3" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.4.3 <span>For any <u class="defined-term">Reactive Energy</u> <u class="defined-term">Meter</u> an on-site accuracy test may performed only by an injection test.</span></div></body></html>

<html><head></head><body><div data-id="10-10.4-10.4.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.4.4 <span>If any on-site accuracy test shows that the <u class="defined-term">Meter</u> is outside the required error limits then either:</span></div></body></html>

<div data-id="10-10.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.4 On-site accuracy tests</div>

<html><head></head><body><div data-id="10-10.5-10.5.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.5.1 <span>Reactive <u class="defined-term">Meter</u>s with a declared higher accuracy than class 2.0 are only required to meet the limits for class 2.0 <u class="defined-term">Meter</u>s as in Tables 3 and 4.</span></div></body></html>

<html><head></head><body><div data-id="10-10.5-10.5.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">10.5.2 <span>Phase-advanced Reactive hour (PARh) <u class="defined-term">Meter</u>s shall be calibrated and on-site accuracy tested in their normal connection configuration. The accuracy limits in Tables 3 and 4 shall apply to PARh <u class="defined-term">Meter</u>s.</span></div></body></html>

<html><head></head><body><div data-id="10-10.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.5 Special conditions for Reactive <u class="defined-term">Meter</u>ing</div></body></html>

<div data-id="10-10.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">10.6 Biasing</div>

<html><head></head><body><div data-id="10" style="margin-left:1in;text-align:left;text-indent:-0.5in">10. Accuracy Requirements for the Calibration and On Site Testing of Electricity <u class="defined-term">Meter</u>s</div></body></html>

<html><head></head><body><div data-id="11-11.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">11.1 <span>Measurement Transformers shall be calibrated and tested using Standards complying with this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> to demonstrate compliance of such Measurement Transformers with the accuracy requirements of the <u class="defined-term">Code</u>.</span></div></body></html>

<html><head></head><body><div data-id="11-11.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">11.2 <span>The accuracy test results shall include a measurement uncertainty value which shall be determined to a confidence level of 95% or greater in accordance with the NAMAS <u class="defined-term">Directive</u> NIS 3003. In the case of Measurement Transformers for <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> One and Two applications the accuracy test result errors including measurement uncertainty shall not exceed 1.5 times the permitted errors in the relevant specifications involved (i.e. IEC 185 and IEC 186).</span></div></body></html>

<div data-id="11-11.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">11.3 <span>Test certificates for new or replacement measurement transformers shall provide full details of the test burden conditions under which the errors were measured.</span></div>

<div data-id="11" style="text-align:left">11. ACCURACY REQUIREMENTS FOR THE TESTING OF NEW OR REPLACEMENT MEASUREMENT TRANSFORMERS</div>

<div data-id="12-12.1-12.1.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.1.1 Initial calibration</div>

<div data-id="12-12.1-12.1.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.1.2 Periodic testing</div>

<div data-id="12-12.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.1 <u>METERS</u></div>

<div data-id="12-12.2-12.2.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.2.1 Initial calibration</div>

<div data-id="12-12.2-12.2.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.2.2 Periodic Testing</div>

<div data-id="12-12.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.2 MEASUREMENT TRANSFORMERS</div>

<div data-id="12-12.3-12.3.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.3.1 Initial testing</div>

<div data-id="12-12.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">12.3 OUTSTATION</div>

<html><head></head><body><div data-id="12" style="text-align:left">12. <u class="defined-term">Frequency</u> of Calibration and Testing of <u class="defined-term"><u class="defined-term">Meter</u>ing Equipment</u></div></body></html>

<div data-id="13" style="text-align:left">13. MAINTENANCE</div>

<div data-id="14-14.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">14.1 <u>Sealing</u></div>

<html><head></head><body><div data-id="14-14.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">14.2 <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u> Commissioning and Validation Procedure</div></body></html>

<div data-id="14" style="text-align:left">14. COMMISSIONING</div>

<html><head></head><body><div data-id="15-15.1-15.1.1" style="margin-left:1.5in;text-align:left;text-indent:-0.92in">15.1.1 <span>A permanent signed record of each calibration and test of Standards employed in relation to <u class="defined-term"><u class="defined-term">Meter</u>ing Equipment</u> under this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> shall be maintained by the <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u>.</span></div></body></html>

<div data-id="15-15.1-15.1.2" style="margin-left:1.5in;text-align:left;text-indent:-0.92in">15.1.2 <span>Such records shall include an overall accuracy and uncertainty of measurement statement for the relevant Standard. Uncertainty should be determined using the current NAMAS directive.</span></div>

<div data-id="15-15.1-15.1.3" style="margin-left:1.5in;text-align:left;text-indent:-0.92in">15.1.3 <span>Where Standards are used on-site the overall accuracy and uncertainty measurements shall be as determined in a laboratory.</span></div>

<div data-id="15-15.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">15.1 Records of Standards</div>

<html><head></head><body><div data-id="15-15.2-15.2.1" style="margin-left:1.5in;text-align:left;text-indent:-0.92in">15.2.1 <span>Each <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u> shall ensure that the relevant laboratory or test house makes available on the request of the Technical Assurance Agent all test reports, records and certificates which are required by this <u class="defined-term"><u class="defined-term">Code</u> of Practice</u> for inspection by the Technical Assurance Agent.</span></div></body></html>

<html><head></head><body><div data-id="15-15.2-15.2.2" style="margin-left:1.5in;text-align:left;text-indent:-0.92in">15.2.2 <span>The results of all calibrations and on-site accuracy tests performed on <u class="defined-term"><u class="defined-term">Meter</u>ing Equipment</u> shall be retained as permanent signed records. The <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u> shall ensure that such records are made available on request to the Technical Assurance Agent.</span></div></body></html>

<html><head></head><body><div data-id="15-15.2-15.2.3" style="margin-left:1.5in;text-align:left;text-indent:-1.5in">15.2.3 <span>Each <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u> shall ensure that the relevant records relating to quality assurance procedures in relation to 16 below shall be made available on request to the Technical Assurance Agent.</span></div></body></html>

<div data-id="15-15.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">15.2 <span>Inspection of certificates, records and testing</span></div>

<div data-id="15" style="text-align:left">15. ASSOCIATED RECORDS</div>

<div data-id="16" style="text-align:left">16. TECHNICAL AUDIT</div>

<div data-id="17-17.1" style="margin-left:1in;text-align:left;text-indent:-0.5in">17.1 <span>A quality assurance system, preferably in accordance with Part 3 of BS 5750 or ISO 9003, shall cover the activities and equipment used for calibration and testing in the laboratory or test house and for on-site accuracy checks.</span></div>

<html><head></head><body><div data-id="17-17.2" style="margin-left:1in;text-align:left;text-indent:-0.5in">17.2 <span>The Technical Assurance Agent shall have the right to establish confidence in any quality assurance system which is not in accordance with BS 5750 or ISO 9003 and recover any reasonable additional cost so incurred by it from the <u class="defined-term"><u class="defined-term">Meter</u> Operator Agent</u>.</span></div></body></html>

<div data-id="appendix-a" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">APPENDIX A</div>

<div data-id="17" style="text-align:left">17. QUALITY ASSURANCE</div>

CONTENTS

Code of Practice 4: The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes V4.0

Defined Terms

Cross-references