To amend title 38, United States Code, to codify certain existing provisions of law relating to effective dates for claims under the laws administered by the Secretary of Veterans Affairs, and for other purposes.

[AI summary unavailable — showing source text] Describes an "informal claim" for a veterans' benefit as a communication in writing requesting a determination of entitlement or evidencing a belief in entitlement to such benefit that is submitted by a claimant, or an authorized party on the claimant's behalf, in a format other than on an application form submitted by the Secretary of Veterans Affairs (VA). Requires an informal claim to also indicate an intent to apply for an identified benefit. Requires the Secretary to: provide a claimant who submits an informal claim with an application form on which to submit a formal claim; maintain in the claimant's claim file a dated copy of the letter accompanying that application form; and consider an application to have been filed, for benefit purposes, on the date on which an informal communication relating to such benefit is submitted, unless the claimant fails to file the application form within 180 days after the Secretary provides that form. Requires an informal request for increasing or reopening a claim to be accepted and treated in the same manner as a formal claim. Defines a "reasonably raised claim" for a veterans' benefit as evidence of an entitlement to su…