Library / Extraordinary Federal Republic of Nigeria Official Gazette No. 33
Extraordinary Federal Republic of Nigeria Official Gazette No. 33

Page 8 of 17
(4) Measurement systems used for natural gas or its derivatives, crude 
oil or its derivatives, condensate, petroleum liquids, petroleum products, or any 
other form of petroleum liquids shall not be approved for shipment into Nigeria, 
without meeting the following minimum conditions— 
(a) 
meters are tested and calibrated 
: 
(b) critical equipment are inspected and tested 
; 
(c) sampling devices are tested and calibrated 
; and 
(d) proving systems are inspected, tested and calibrated. 
(5) Measurement systems used for natural gas or its derivatives, crude 
oil or its derivatives, condensate, petroleum liquids, petroleum products, or any 
other form of petroleum liquids installed in a vessel shall not be approved for 
sailing into Nigeria, without meeting the following minimum conditions — 
(a) 
meters are tested and calibrated 
; 
(b) critical equipment are inspected and tested 
; 
(c) sampling devices are tested and calibrated 
; 
(d) 
cargo tanks are inspected and calibrated 
; and 
(e) proving systems are inspected, tested and calibrated. 
(6) The Authority shall be present when an equipment or appliance for 
measuring or weighing natural gas or its derivatives, crude oil or its derivatives, 
condensate. petroleum liquids, petroleum products or any other form of 
petroleum liquids is being calibrated, recalibrated, tested, compared, measured 
or weighed against a standard approved by the Authority. 
(7) 
Where 
a licensee or permit holder fails to test or recertify 
a 
measurement system, the Authority may, in addition to any penalty under these 
regulations, direct a third party to test and recertify such measurement system 
and the licensee or permit holder who has failed 
to test or recertify the 
measurement system shall be responsible for the costs incurred by the third 
party directed by the Authority to carry out the test or recertification. 
13.—(1) 
A 
licensee or permit holder shall not operate a measurement 
system without the authorisation of the Authority. 
(2) A licensee or permit holder shall not commence the maintenance of 
a measurement system without the approval of the Authority. 
(3) 
A 
licensee or permit holder shall, 
in the course of operating 
a 
measurement system, keep performance records of metering system, sampling 
system, proving system, dispensing system, flow computing system, and static 
measurement system 
in accordance with the requirements and conditions 
prescribed by the Authority. 
(4) 
A 
licensee or permit holder shall not delete the records of any 
measurement system without the prior approval of the Authority. 
B 27 
Operation 
and 
maintenance 
of 
measurement 
system,