Some commenters may question a necessity of notification that something-is-the-case.
Arrearages may occur without a necessity of applying for services.
A necessity of a (guardian ad litem) may depend on requirements.
A (threshold probability test result) may eliminate a necessity of hearings.
Letters can be constituted-of-or-filled-with medical necessity.
A matter may be admitted without necessity of an order of an administrative (law judge).