The complete Assistance Listing (AL) number is a five-digit number, XX.XXX. The first two digits represent the funding agency, and the last three represent the assistance listing. SAM.gov serves as the authoritative source for all AL numbers, including assistance listings under the American Recovery and Reinvestment Act (ARRA) of 2009 (also referred to as the Recovery Act).
ALNs have replaced Catalogue of Federal Domestic Assistance (CFDA) numbers.