(a) Each municipal building located in this state which is open to the general public and supported in whole or in part by public funds, shall prominently display the Alabama State Flag, in accordance with appropriate flag display protocol, on a flag pole or flag poles located near the main entrance of each building.
(b) Unless otherwise acquired pursuant to gift, donation, or other means, the flags and flag poles required by this section shall be purchased by the applicable municipality within three years after August 1, 2001.
(c) Any municipality with a population of 1,000 or less, according to the most recent federal decennial census, shall be exempt from this section unless other flags are being flown in the municipality by the municipality.