D.C. Mun. Regs. tit. 7, r. 7-201
The Act is applicable to injuries which occur on or after July 26, 1982 to employees of employers whose employment is principally localized in the District of Columbia in accordance with § 4(a) of the Act (§ 36 -303(a), D.C. Code, 1981 ed.).
The amendment makes the Act applicable to injuries and deaths which occur in the District of Columbia on or after March 6, 1991 to employees who perform work for the employer, at the time of the injury or death, while located in the District of Columbia.
An employer shall be liable for compensation under the Act regardless of fault as to the cause of injury or death in accordance with § 4(b) of the Act [§ 36 -303(b), D.C. Code, 1981 ed.].
An employer who subcontracts with another is liable for compensation to employees of the subcontractor unless the subcontractor secures payment in accordance with § 4(c) of the Act [§ 36 -303(c), D.C. Code, 1981 ed.].
The Act provides the exclusive remedy for covered injuries if an employer has secured payment of compensation as provided in §§ 4 and 5 of the Act (§ 36 -303 and § 36 -304, D.C. Code, 1981 ed.)
D.C. Mun. Regs. tit. 7, r. 7-201