A supplement to a certificate is an additional document that provides more detailed information or records related to the main certificate. Here are some key points about supplements:

Types of Supplements

The table shows that several certificates have associated supplements:

Passenger Ship Safety Certificate: This certificate has a supplement called “Form P”.

Cargo Ship Safety Certificates:

Cargo Ship Safety Equipment Certificate has “Form E” as its supplement.

Cargo Ship Safety Radio Certificate has “Form R” as its supplement.

Cargo Ship Safety Certificate (combined) has “Form C” as its supplement.

MARPOL Certificates:

IOPP (International Oil Pollution Prevention) Certificate has two types of supplements:

“Form A” for ships other than oil tankers ≥ 400 GRT

“Form B” for oil tankers ≥ 150 GRT

IAPP (International Air Pollution Prevention) Certificate has a “Record of Construction and Equipment” as its supplement.

IEEC (International Energy Efficiency Certificate) also has a “Record of Construction and Equipment” as its supplement.

MLC (Maritime Labor Convention) Certificate: This certificate has two supplements:

DMLC Part-1 (issued by Flag state)

DMLC Part-2 (issued by Company)

Purpose of Supplements

While not explicitly stated in the attachment, supplements typically serve to:

Provide additional details about the ship’s equipment, construction, or compliance.

Record specific information that may change more frequently than the main certificate.

Offer a standardized format for presenting detailed information across different ships and flag states.

Certificates Without Supplements

It’s worth noting that many certificates listed in the attachment do not have supplements, such as the SAFCON (Cargo Ship Safety Construction Certificate), ISPP (International Sewage Pollution Prevention) Certificate, and various audit-based certificates like DOC, SMC, and ISSC.