介绍性文本1.引文，生效和解释2.主要法规解释条款的修订3.过渡条款4.勘测要求的修订5.公约证书的颁发和形式6.证书的有效期和有效期7.公约证书有效期的延长8.证书的可用性和要求适当的文件签名解释性说明

Introductory Text1.Citation, commencement and interpretation2.Amendment of interpretation provisions of the principal Regulations3.Transitional provisions4.Amendment of survey requirements5.Issue and form of Convention Certificates6.Duration and validity of Certificates7.Extension of validity of Convention Certificates8.Availability of certificates and requirements for appropriate documentationSignatureExplanatory Note