D.C. Code § 31-5203: Copy of application by insured to be delivered with policy.

Each life insurance company, benefit order, and association doing a life insurance business in the District of Columbia shall deliver with each policy issued by it a copy of the application made by the insured so that the whole contract may appear in said application and policy, in default of which no defense shall be allowed to such policy on account of anything contained in, or omitted from, such application.