121 
(3) After any survey of a ship under this Regulation has been completed, 
ho significant change shall be made in the structure, equipment, fittings, ar- 
rangements or material, covered by the survey without the sanction of the Ad- 
Ininistration, except the direct replacement of such equipment and fittings for 
the purpose of repair or maintenance. 
Regulation 11 
ISSUE OF CERTIFICATE 
(1) An International Pollution Prevention Certificate for the Carriage of 
Noxious Liquid Substances in Bulk (1973) shall be issued to any ship carrying 
noxious liquid substances which is engaged in voyages to ports or offshore ter- 
minals under the jurisdiction of other Varties to the Convention after survey 
of such ship in aecordance with the provisions of Regulation 10 of this Annex. 
(2) Such Certificate shall be issued either by the Administration or by a per- 
son or organization duly authorized by it. In every case the Administration 
shall assume full responsibility for the certificate. 
(3) (a) The Government of a Party may, at the request of the Administration, 
cause a ship to be surveyed and if satisfied that the provisions of this Annex are 
complied with shall issue or authorize the issue of a Certificate to the ship in 
accordance with this Annex. 
(bv) A copy of the Certificate and a copy of the survey report shall be trans- 
mitted as soon as possible to the requesting Administration. 
(ce) A Certificate so issued shall contain a statement to the effect that it has 
been issued at the request of the Administration and shall have the same force 
and receive the same recognition as a certificate issued under paragraph (1) 
of this Regulation. 
(d) No International Pollution Prevention Certificate for the Carriage of 
Noxious Liquid Substances in Bulk (1973) shall be issued to any ship which 
is entitled to fly the flag of a State which is not a Party. 
(4) The Certificate shall be drawn up in an official language of the issuing 
country in a form corresponding to the model given in Appendix V to this Annex. 
If the language used is neither English nor French, the text shall include a 
translation into one of those languages. 
Regulation 12 
DURATION OF CERTIFICATE 
(7) On International Pollution Prevention Certificate for the Carriage of 
Noxious Liquid Substances in Bulk (1973) shall be issued for a period specified 
by the Administration, which shall not exceed five years from the date of issue, 
except as provided in paragraphs (2) and (4) of this Regulation. 
(2) If a ship at the time when the Certificate expires is not in a port or off- 
shore terminal under the jurisdiction of the Party to the Convention whose flag 
the ship is entitled to fly, the Certificate may be extended by the Administra- 
tion, but such extension shall be granted only for the purpose of allowing the 
ship to complete its voyage to the State whose flag the ship is entitled to fly 
or in which it is to be surveyed and then only in cases where it appears proper 
and reasonable to do so. 
(3) No Certificate shall be thus extended for a period longer than five months 
and a ship to which such extension is granted shall not on its arrival in the State 
whose flag it is entitled to fly or the port in which it is to be surveyed, be entitled 
by virtue of such extension to leave that port or State without having obtained a 
new Certificate. 
(4) A Certificate which has not been extended under the provisions of para- 
graph (2) of this Regulation may be extended by the Administration for a pe- 
riod of grace of up to one month from the date of expiry stated on it. 
(5) A Certificate shall cease to be valid if significant alterations have taken 
place in the structure, equipment, fittings, arrangements and material required 
by this Annex without the sanction of the Administration, except the direct 
replacement of such equipment or fitting for the purpose of repair or mainte- 
nance or if intermediate surveys as specified by the Administration under Reg- 
ulation 10(1) (¢) of this Annex are not carried out. 
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