Any amendment of section three, article two, chapter one of this the code relating to congressional districts shall not affect the qualification or tenure of office of any person who was appointed a member of any state board, agency, commission or committee prior to the effective date of such amendment; however, all appointments made after the effective date of such amendment to any state board, agency, commission or committee on which membership is affected by congressional district requirements shall be made in accordance with the congressional district arrangement provided by said amendment.
If the total number of members prescribed by law on any board, agency, commission or committee, on which membership is affected by congressional district requirements, shall exceed the members from congressional districts, the excess members shall be appointed at large, unless otherwise provided for in this code.