The individual gives a definite allegation as to DB and, according to that allegation,
is about age 65 or younger. The person is unable to submit any evidence of the date
alleged. However, some of the documents submitted (or obtained) indicate that the
person was under age 65 during all or part of what is established as his/her actual
IEP. Since this situation is comparable to that in Rule b. (i.e., the person does
not know when he/she was born), Rule b. will be followed.