(a) A reorganization plan may not provide for, and a reorganization under this act may not have the effect of--
(1) Creating a new principal department in the Executive branch, abolishing or transferring a principal department or all the functions thereof, or consolidating 2 or more principal departments or all the functions thereof;
(2) Continuing an agency beyond the period authorized by law for its existence or beyond the time when it would have terminated if the reorganization had not been made;
(3) Authorizing an agency to exercise a function which is not expressly authorized by law at the time the plan is transmitted to the Legislature;
(4) Increasing the term of an office beyond that provided by law for the office.
(b) A reorganization plan may take effect as provided in section 7.