Washington, DC has required law labels for some time. Now, DC regulations require “each person, firm, or corporation in the District who manufactures, renovates, or deals in mattresses shall register” with the DC Health by March 1, 2024. This requirement applies to mattress retailers and importers. Although not specifically required by the law, an FAQ document accompanying this new requirement states that even if a manufacturer is based outside DC but sells to a retailer in DC, “both the manufacturer and the retailer would need to apply for a Certificate of Registration with the Department of Health.”