Every person, firm or corporation in the business of selling or offering for sale gasoline or other petroleum products for use in a motor vehicle, shall prime each pump every day before serving the public, and shall have an approved and sealed five (5) gallon test measure on the premises to test these pumps daily. The name and address of the premises shall be indelibly imprinted on the five (5) gallon test measure and such markings shall be clear, legible and in letters not less than one inch in height.