D.C. Mun. Regs. tit. 25, r. 25-D504
Each massage establishment or health spa facility shall provide customers clean, sanitary, opaque linens or garments capable of covering the customer's specified anatomical areas.
Any garment provided for a customer to wear while waiting for or receiving massage therapy or making use of the massage establishment or health spa facility's other amenities shall be washed and sanitized after use and before it is offered for use to another person.
Linens and garments that are found to be in poor condition shall not be used and shall be discarded and replaced with linens in good condition as specified in section 503.9.
Sufficient laundry hampers or storage bins shall be provided for customers to return garments and similar articles to the massage establishment or health spa facility for cleaning and sanitizing.
Laundry hampers or storage bins shall be clearly marked as containing used garments to prevent inadvertent customer reuse.
Used or soiled garments or similar articles shall be kept separate from clean ones while being stored.
Single-use slippers or sandals provide to a customer for use shall be brand new.
Single-use slippers or sandals shall never be reused for another customer and shall be discarded in an appropriate solid waste receptacle immediately following its use.
D.C. Mun. Regs. tit. 25, r. 25-D504