Topic: how do i change my D.O.B?

i av d wrong age on my certs. from waec to nysc. now, i want to switch to d corect one. will AFFIDAVIT do or i shd start goin to the bodies? some1 hep pls.

@kenyy, tanx a lot. I've got d new birth cert. bearing d new DOB. I only want to be sure that there won't be problem if, even with the sworn affidavit, i start using it on consequent credentials and documents. Tanx again.