Section 25(1) in The Coal Mines Provident Fund Scheme
(1)Every employee in a coal mine to which this scheme applies, other than an excluded employee shall be required to join the Fund and become a member immediately after the end of the quarter following any quarter after the thirtieth of September, 1948 [but before the first of January, 1962] [Added vide S.O. 2620 dated 26.11.61.] in which he qualified for a bonus under sub-paragraph (b) of paragraph 4 or sub-paragraph (c) of paragraph 5 of the Coal Mines Bonus Scheme.
