As per Seamen Employment Rules,2001 two kinds of Roster are maintained in the Government Shipping Office. There are:-
1. General Roster;
2. Company Roster;
A CDC holder Seaman firstly registered in the Government Shipping Office under the General Roster and then if he would like to go for job under company roster, he is to apply to the Shipping Master through the company,which he desired to be under roster and getting the application from the concerned seaman with the recommendation of the company,his name is to be entitled under the same company roster as approved by the Shipping Master.