AS6 is the asylum applicant and AS7 is the spouse of the asylum seeker.
A United States Permanent Resident Card, also known as a green card, is a form of identification used to prove that an alien has permanent resident status in the United States.
Lawful permanent residency for green card holders is an official immigration benefit that includes conditional permission to stay and work in the United States. The holder must maintain his permanent resident status and may lose that status if one of the conditions required for that status is no longer met.
as6 and as7 are asylum or refugee green cards in the United States, the difference between the two is that as6 is the green card of the applicant, and as7 is the green card of the applicant's spouse. These green cards are very, very vetted, difficult to get, and have a lot of restrictions.
Apply for a green card through asylum to obtain permanent residency in the United States. Then, after 5 years of successfully obtaining a green card, apply for naturalization in the United States and become a citizen asylum green card with the code AS, AS6 is the asylum applicant, AS7 is the spouse of the asylum person, and AS8 is the child of the asylum person. You can determine whether it is an asylum green card by the code on the green card.
AS6: applicant AS7: applicant's spouse AS8: applicant's children