D.C. Code § 29-412.30: Deposit with Mayor.

Assets of a dissolved nonprofit corporation that should be transferred to a creditor, claimant, or member of the corporation who cannot be found or who is not competent to receive them shall be reduced to cash and deposited with the Mayor for safekeeping. When the creditor, claimant, or member furnishes satisfactory proof of entitlement to the amount deposited, the Mayor shall pay the amount held.