All delegations, rules, regulations, orders, determinations, licenses, or other forms of administrative action which have been made, issued, conducted, or allowed to become effective under the Export Control Act of 1949 [former sections
2021 to
2032 of this Appendix] or the Export Administration Act of 1969 [former sections
2401 to
2413 of this Appendix] and which are in effect at the time this Act takes effect [September 30, 1979] shall continue in effect according to their terms until modified, superseded, set aside, or revoked under this Act [sections
2401 to
2420 of this Appendix].