Section 136D.4 - Warning signs - written warning statements1. A tanning facility shall post the following warning signs that describe the hazards associated with the use of tanning devices:a. A warning sign in a conspicuous location readily visible to persons entering the establishment. The signs shall comply with rules adopted by the department.b. A warning sign for each tanning device, in a conspicuous location readily visible to a person preparing to use the device. The sign shall comply with rules adopted by the department.2. A tanning facility shall provide each customer with a written warning statement that complies with rules adopted by the department.