Section 122(2)(b) in The Merchant Shipping (Shipping Office Forms) Rules, 1963
(b)a statement, with full particulars, of any expenses that may have been caused to the master or owner of the ship by the absence of the seaman or apprentice, where the absence is due to a contravention by the seaman or apprentice of section 191; and, if required by the shipping master to do so, shall furnish such vouchers as are reasonably required to verify the statements.