The operator of each recreational camp for children shall provide the exterior openings in every building used for food preparation, food service, and every permanent building used for sleeping, with screens containing not less than 16 meshes per inch. Screen doors shall open in the direction of the flow of traffic out of the building. If no screen door is possible, the building door shall be equipped with a self-closing device. Every screen door shall be equipped with a self-closing device.
105 CMR, § 430.452