(1)Where the Central Government has ceased or ceases to perform any functions which under section 13 are functions of the Corporation, it shall be lawful for the Central Government to transfer, by order and with effect from such date or dates (which may be either retrospective to any date not earlier than the 1st January, 1965, or prospective) as may be specified in the order, to the Corporation any of the officers or employees serving in the Department of the Central Government dealing with food or any of its subordinate or attached offices and engaged in the performance of those functions:Provided that no order under this sub-section shall be made in relation to any officer or employee in such Department or office who has, in respect of the proposal of the Central Government to transfer such officer or employee to the Corporation, intimated within such time as may be specified in this behalf by that Government, his intention of not becoming an employee of the Corporation.