what does AIN mean? something to do with SSN?

Answer 1

i just gonna post it as it is so u can see for yourself :

Application for Alternate Identification Number
This form is to be submitted by candidates without a U.S. Social Security Number

http://www.fsbpt.org/download/Application_for_AIN.pdf

i not sure but this may be the same as an ITIN , bellow u may find some useful information :

http://answers.yahoo.com/question/index;_ylt=AjBcggyDRKO049uI_ie3_L3sy6IX?qid=20070122152223AA87Vxn&show=7#profile-info-062798e9800534fb739350d7bed6d145aa