The proof must be a writing filed with SSA. It is not essential that the proof of
support be on a prescribed form to be considered “filed.” The mailing date may be used as the date of filing where this would be to the dependent's
“Some proof of support” is more than a mere allegation of support or an affirmative answer to a lead question
on an SSA application form. To constitute “some proof,” the writing must give facts regarding support. The statements should indicate that
at least one-half of the individual's support came from the NH. Such a statement would
be the minimum compliance with the support requirement. Additional development may
have to be undertaken to actually prove one-half support.