Section 8-655 - National Human Trafficking Resource Center Hotline information(a) The Administration shall post the National Human Trafficking Resource Center Hotline information sign described in § 15-207 of the Business Regulation Article in each restroom at a rest area within the right-of-way of an interstate or State highway.(b) A sign required under this section shall be posted:(1) On the inside of each stall door in the restroom; or(2) On the back of the door at the entrance to the restroom.