The Replace Rules found in the Corporations Act 2001: O a. Ate never compulsory. O b. Are only compulsory for Proprietary companies. O c. Are only compulsory for Public companies registered after 1 July 1998 unless the members opt out of them by adopting a constitution. O d. Are compulsory for every company registered after 1 July 1998 unless the members opt out of them by adopting a constitution