An operator shall:
1. Post duties. Post in conspicuous places of the roller-skating rink the duties of skaters and inherent dangers of skating as provided in sections 606 and 607;
2. Compliance with standards. Comply with the safety standards specified in the roller-skating rink safety standards adopted by a national roller-skating rink operators association;
3. Maintain equipment. Maintain roller-skating equipment and roller-skating surfaces according to the safety standards in subsection 2; and
4. Stability and legibility of notices. Maintain the stability and legibility of all required signs, symbols and posted notices.