(1) This section applies to a mining tenement in force immediately before the commencement, other than a coal or oil shale mining tenement.
(2) Section 3 applies to the mining tenement as if it had been granted after the commencement.
(3) However, for a mining tenement other than a mining lease, section 3(3) and (6) does not apply for the carrying out of an authorised activity for a petroleum authority in the area of the tenement until 3 months after the commencement.
(4) The Mineral Resources Act, section 403, does not apply for the carrying out of the authorised activity until 3 months after the commencement.
(5) In this section—
"commencement" means the day section 3 commences.