(a) The board of directors shall notify the shareholders in writing of any increase in assessments for common expenses, at least thirty days prior to the increase.
(b) As used in this section, "assessments for common expenses" means any amounts collected from shareholders pursuant to the terms of the corporation's bylaws, articles of incorporation, or proprietary leases, for the operation, maintenance, management, repair, replacement, and improvement of the land, buildings, and any other real or personal property owned or leased by the corporation.