Chapters 9 (commencing with Section 5910) and 10 (commencing with Section 6010) of the new public benefit corporation law apply to transactions consummated on or after January 1, 1980, by a public benefit corporation or, subject to Sections 9630 and 9640, by a religious corporation, and Chapters 9 (commencing with Section 7910) and 10 (commencing with Section 8010) of the new mutual benefit corporation law apply to transactions consummated on or after January 1, 1980, by a mutual benefit corporation, unless the approval required by the prior nonprofit law has been given prior to January 1, 1980, or has been given on or after January 1, 1980, but at a meeting of members initially called for a date prior to January 1, 1980, in which case the transaction shall be governed by the prior nonprofit law.