(a) If a zoning regulation adopted under this subchapter requires a greater width or size of a yard, court, or other open space, requires a lower building height or fewer number of stories for a building, requires a greater percentage of lot to be left unoccupied, or otherwise imposes higher standards than those required under another statute or local ordinance or regulation, the regulation adopted under this subchapter controls. If the other statute or local ordinance or regulation imposes higher standards, that statute, ordinance, or regulation controls.
(b) This subchapter does not authorize the governing body of a municipality to require the removal or destruction of property that exists at the time the governing body implements this subchapter and that is actually and necessarily used in a public service business.

(c) This subchapter does not apply to a building, other structure, or land under the control, administration, or jurisdiction of a state or federal agency.
(d) This subchapter applies to a privately owned building or other structure and privately owned land when leased to a state agency.