D.C. Mun. Regs. r. 7-207
In accordance with § 15 of the Act [§ 36 -314, D.C. Code, 1981 ed.], all claims shall be made by injured employees or their beneficiaries in writing within one (1) year of the injury or death, except as hereafter provided.
A claim may be made within one (1) year after the date of the last payment if voluntary payments have been made.
A claim may be made within one (1) year after the employee or beneficiary is aware of the relationship between the injury or death and the employment.
A claim may be made within one (1) year from the end of a suit to recover damages where recovery is denied because the Act provides the exclusive remedy for the injury.
In accordance with § 15(b) of the Act [§ 36 -314(b), D.C. Code, 1981 ed.], the failure of an employee or beneficiary to file a claim within one (1) year after the injury or death shall not bar a claim unless objection to the failure is made at any time during the formal hearing on the claim as defined in § 299 of this chapter.
In accordance with § 15(c) of the Act [§ 36 -314(c), D.C. Code, 1981 ed.], a claim may be made on behalf of a person who is mentally incompetent within one (1) year from the date of appointment of a guardian or authorized representative.
A claim may be made by a minor within one (1) year from the date of majority or on behalf of a minor by his or her guardian or authorized representative within one (1) year from appointment.
In accordance with § 33(f) of the Act [§ 36 -332(f), D.C. Code, 1981 ed.] a claim may be made within one (1) year from the date the employer's Report of Injury is filed with the Office.
Upon receipt of a Claims Application, the Office shall issue a written notice to all interested parties in accordance with § 21(b) of the Act [§ 36 -320(b), D.C. Code, 1981 ed.].
D.C. Mun. Regs. r. 7-207