Section 3. This act shall become effective one year following its final passage, and its provisions shall be enforced by the Department of Mines; provided, however, on written request from an operator, the time may be extended by the Secretary of Mines for a period of not more than six (6) months: Provided, further, That any operator, who may at the time of passage of this act have in use a trailing cable, which does not meet the specifications required by this act, may continue to use such cable until replacement is necessary, or until the department shall order a cable replaced, but in no event later than the first day of April, one thousand nine hundred forty-nine. In either such case the new cable shall meet the specifications fixed by this act. The action of the Department of Mines in permitting the continued use of trailing cables not conforming to this act, as originally enacted, because flame resisting trailing cables were not available in sufficient number to replace existing cables, is hereby ratified, confirmed and validated.
(3 amended May 9, 1947, P.L.195, No.89)