I am sponsoring my family from Pakistan as per requird list of documents I have to provide birth certificate of sponosred person however, my daughter does not have birth certificate and she is now 14 years and it is difficult to get birth certificate now, we have her passport showing her date of birth, her date of birth record in National Data Base of the country and school certificate. does it ok or I have to provide some other proof in this regrads. looking for help