District of Columbia Code Division I. Government of District. § 7-2531.01. Definitions.

(A) Any person engaged in the business of selling firearms at wholesale or retail;

(B) Any person engaged in the business of repairing firearms or of making or fitting special barrels, stocks, or trigger mechanisms to firearms; or

(C) Any person who is a pawnbroker who takes or receives by way of pledge or pawn, any firearm as security for the payment or repayment of money.

(A) A person who devotes time, attention, and labor to dealing in firearms as a regular course of trade or business with the principal objective of livelihood and profit through the repetitive purchase and resale of firearms. The term “engaged in business” shall not include a person who makes occasional sales, exchanges, or purchases of firearms for the enhancement of a personal collection or for a hobby, or who sells all or part of this personal collection of firearms; or

(B) A person who devotes time, attention, and labor to importing firearms as a regular course of trade or business with the principal objective of livelihood and profit through the sale or distribution of the firearms imported.

(A) Failure to establish proof of the purchaser's residence in a jurisdiction where the purchase of the weapon is legal or ignoring proof of the purchaser's residence in the District of Columbia;

(B) Failure to comply with District of Columbia registration and waiting requirements prior to delivery of the firearm to the purchaser when proof of District of Columbia residence is provided;

(C) Failure to maintain full, complete, and accurate records of firearm sales as required by local, state, and federal law; or

(D) Knowingly and willfully maintaining false records with the intent to misrepresent the name and address of persons purchasing firearms, or the type of firearm sold to those persons.