SUSPENSION OF CLASS AND DIFFERENT TERMS USED BY SOCIETY

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SUSPENSION OF CLASS:- 
The class may be suspended following a decision made by the society and this includes—
1) When a ship is not operated in compliance with the rule required. Eg.
a) In case of service or condition not covered by the service notation
b) Trade outside navigational restrictions for which a class is assigned
2) When a ship proceeds to sea with a less freeboard than that assigned or when the freeboard marks are placed higher than assigned
3) When the owner fails to request a survey after having detected defects or damages affecting the class.
4) When repairs, alterations or conversions affecting the class are carried out without requesting the attendance of a surveyor or not to the satisfaction of surveyor
In addition to above class is automatically suspended –
1) When any one or more survey has become overdue and has not been completed by end of the corresponding survey time windows.
2) When a recommendation or condition of class is not dealt with within the time limit specified.
3) During an annual survey if any CSM item is due or overdue
4) When due to nature of defects, the society considers that a ship is not entitled to retain its class even on a temporary basis
WITHDRAWAL OF CLASS:-
The society will withdraw the class of a ship when –
1) If requested by owner
2) The class has been suspended for more than six months
3) When a ship is reported as a constructive total loss and the owner does not give his intentions to repair the ship for reinstatement of class
4) The ship is reported lost
5) The ship is reported scrapped
ANNIVERSARY DATE:-  It is the  day and month given in the certificate of class which correspond to the expiry date of the certificates.
CONDITION OF CLASS:- These are the requirement imposed by the society which will affect the class if not complied with by the assigned due date. Condition of class is a defect/blemish of hull/machinery/equipment, repair of which cannot be left to the direction of owner. This is only given to the class items and not to the statutory items.
WINDOW PERIOD FOR SURVEY:- The window period for survey is the fixed time period within which a annual or intermediate survey must be carried out
MEMORANDA:- Information of assistance to the surveyor and owner may be recorded as memoranda e.g. notes concerning material, barred engine speed. A memoranda may also be defined a condition which, though deviating from the technical standard does not affect the class e.g. slight indent on shell, or minor deficiency of machinery. In addition memoranda could also be defined as recurring survey requirements such as annual survey of specified spaces or retrofit requirements, which have the defacto effect of condition of class.
ADDITIONAL NOTE:- Each of the classification societies has developed a series of notation that may be granted to a vessel to indicate that it is in compliance with some additional voluntary criteria that may be specific to that vessel type or in excess of standard classification requirement.
STATUTORY REQUIREMENTS:- These are the requirements as per the administration which should be followed by the ship. Classification societies often act as recognized organization which act on behalf of administration and check that all statutory requirements are being followed.

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