3.1 An initial survey covering at least the scope as in paragraph 1 of appendix II to
these Guidelines should be held before the ship is put into service and the
International Anti-fouling System Certificate required under regulation 2 or
3 of annex
4 to the Convention is issued for the first time.
3.2 A survey should be carried out whenever an anti-fouling system is changed or
replaced. Such surveys should cover the scope as in paragraph 2 of appendix II to
these Guidelines.
3.3 A major conversion affecting the anti-fouling system of a ship may be considered as
a newbuilding as determined by the Administration.
3.4 Repairs generally do not require a survey. However, repairs affecting approximately
twenty-five (25) per cent or more of the anti-fouling system should be considered as a
change or replacement of the anti-fouling system.
3.5 A non-compliant anti-fouling system controlled under annex 1 to the Convention that
undergoes repair must be repaired or replaced with a compliant anti-fouling system.