Each retail seller, before the retail seller can benefit from the service charges permitted by this subchapter, shall display prominently in the retail seller’s main place of business and in each branch thereof, a statement outlining the service charge rates which will conform to § 4337 of this title.

6 Del. C. 1953, § 4336; 52 Del. Laws, c. 342; 70 Del. Laws, c. 186, § 1