The provisions of section 642(c) (other than section 642(c)(5)) and of §§ 1.642 (c)-1 through 1.642(c)-4 apply to amounts paid, permanently set aside, or to be used for a charitable purpose in taxable years beginning after December 31, 1969. The provisions of section 642(c)(5) and of §§ 1.642(c)-5 through 1.642(c)-7 apply to transfers in trust made after July 31, 1969. For provisions relating to amounts paid, permanently set aside, or to be used for a charitable purpose in taxable years beginning before January 1, 1970, see 26 CFR 1.642(c)-1 through 1.642(c)-4 (Rev. as of Jan. 1, 1971).