What happens when USCIS and DOS reach the total number of employment-based green card numbers available by 09/30/2022?

USCIS indicates that most employment-based preference limits and/or the overall employment-based preference limit for FY 2022 are expected to be reached during September.

What happens when the total number of employment-based green card numbers is reached?

When the total number of employment-based green card numbers available for issuance is reached, USCIS and DOS will no longer be able to issue any additional employment-based green cards for the remainder of the fiscal year, which ends on September 30, 2022.

USCIS has implemented several measures to facilitate using all available employment-based visas.  For further details on measures taken by USCIS, please read:

The fiscal Year 2022 Employment-Based Adjustment of Status FAQs