GENERAL REQUIREMENTS FOR SIGN PROHIBITING UNAUTHORIZED VEHICLES.

(a) Except as provided by Subsection (a)(2)(B) and Section 2308.304 or 2308.305, an unauthorized vehicle may not be towed under Section 2308.252(a)(1) or booted under Section 2308.257 unless a sign prohibiting unauthorized vehicles on a parking facility is:

(1) facing and conspicuously visible to the driver of a vehicle that enters the facility;

(2) located:

(A) on the right or left side of each driveway or curb-cut through which a vehicle can enter the facility, including an entry from an alley abutting the facility; or

(B) at intervals along the entrance so that no entrance is farther than 25 feet from a sign if:

(i) curbs, access barriers, landscaping, or driveways do not establish definite vehicle entrances onto a parking facility from a public roadway other than an alley; and

(ii) the width of an entrance exceeds 35 feet;

(3) permanently mounted on a pole, post, permanent wall, or permanent barrier;

(4) installed on the parking facility; and

(5) installed so that the bottom edge of the sign is no lower than five feet and no higher than eight feet above ground level.

(b) Except as provided by Section 2308.305, an unauthorized vehicle may be towed under Section 2308.252(a)(1) or booted under Section 2308.257 only if each sign prohibiting unauthorized vehicles:

(1) is made of weather-resistant material;

(2) is at least 18 inches wide and 24 inches tall;

(3) contains the international symbol for towing vehicles;

(4) contains a statement describing who may park in the parking facility and prohibiting all others;

(5) bears the words, as applicable:

(A) "Unauthorized Vehicles Will Be Towed or Booted at Owner's or Operator's Expense";

(B) "Unauthorized Vehicles Will Be Towed at Owner's or Operator's Expense"; or

(C) "Unauthorized Vehicles Will Be Booted at Owner's or Operator's Expense";

(6) contains a statement of the days and hours of towing and booting enforcement; and

(7) contains a number, including the area code, of a telephone that is answered 24 hours a day to enable an owner or operator of a vehicle to locate a towed vehicle or to arrange for removal of a boot from a vehicle.