Section 42-3502.11a - Mandatory fees prohibited(a) A housing provider shall not impose on a tenant a mandatory fee for any service or facility that has not been approved pursuant to § 42-3502.11 or § 42-3502.15.(b) A housing provider who violates this section shall be liable to the tenant for treble damages pursuant to section 901(a).July 17, 1985, D.C. Law 6-10, § 211a; as added Feb. 18, 2017, D.C. Law 21-210, § 2(b), 63 DCR 15302.