Once a software and communications package has been selected, how does one become an Air AMS participant?

Once a software and communications package has been selected, how does one become an Air AMS participant?

The potential Air AMS participant may complete the Air AMS Respondent Checklist and then mail or fax the document to:
U.S. Customs and Border Protection
Client Representative Branch
7501 Boston Blvd. Rm. 211
Springfield, VA 22153
FAX:  (703) 921-7563