SEC. 21.09. BUSINESS TAX REGISTRATION CERTIFICATES — POSTING AND KEEPING.

(a) Every person engaged in a business subject to tax under the provisions of this article and which business is conducted at or from a fixed place of business shall keep the registration certificate issued therefor posted in a conspicuous place upon the premises at or from which the business is conducted.

(b) Every person engaged in a business subject to tax under the provisions of this article but not operating from a fixed place of business shall keep the registration certificate issued therefor upon their person at all times while engaging in the business for which it is issued.

(c) Whenever identifying stickers or symbols have been issued for each vehicle, device, machine, or other piece of equipment included in the measure of a business tax, or for each coin-operated machine the gross receipts from which are the measure of the tax, the person to whom such stickers or symbols have been issued shall keep firmly affixed upon each vehicle, device, machine, piece of equipment or coin-operated machine the identifying sticker or symbol which has been issued therefor. Such sticker or symbol shall not be removed from any vehicle, device, machine, piece of equipment or coin-operated machine kept in use, during the period for which the sticker or symbol is issued.

(d) It shall be a misdemeanor for any person to fail to affix as required herein any identifying sticker or symbol to the vehicle, device, machine, piece of equipment, or coin- operated machine for which it has been issued, or to give away, sell or transfer such identifying sticker or symbol to another person, or to permit its use by another person.