回复：关于绿卡排期的问题

From usabal.com,

The priority date system directly impacts employment based green card applicants in the following ways:

1. Individuals who have not yet filed their I-485 application for adjustment of status will be eligible to file that application only when their priority date is current (i.e., the priority date is on or before the cutoff date published monthly by the State Department in the Visa Bulletin);
2. Individuals who have filed their I-485 application for adjustment of status will not have their green cards approved until their priority date is current. However, these adjustment of status applications will continue to be considered to be pending for the purpose of applying for employment authorization documents and advance parole documents;
3. Individuals with approved I-140 petitions who apply for their immigrant visa through a US consulate in their home country must have a current priority date at the time the immigrant visa application is filed and at the time the application is approved by the consulate.