informal claim
(2) If a form (either paper or electronic) has not been prescribed to use in claiming the benefit sought, the term informal claim means any communication, other than a formal claim, from an individual, or from an authorized representative or a Member of Congress on that individual's behalf that indicates a desire on the part of the individual to claim or to apply for VA-administered educational assistance.
Source
38 CFR § 21.1029
Scoping language
The following definitions of terms apply to this subpart and subparts C, D, F, G, H, K, L, and P, to the extent that the terms are not otherwise defined in those subparts: