The visa bulletin is the best way to be informed and get answers to any doubts about the status of a family member or a work request.
This visa bulletin does not apply to spouses, unmarried children under 21 or parents of American citizens, but it applies to the rest of family and work requests.
What Is the Visa Bulletin?
It is a document that the State Department publishes every month and that includes the call priority date. If the priority date of a person is older than the visa bulletin in the corresponding category, it means that the procedures to obtain a Green Card are about to end.
This can be done through the immigrant visa in what is called “consular processing” (outside the United States). If the person is already in the U.S., it can be done through the 
status adjustment.
To understand the visa bulletin, three things must be clear:
- Your country. If it is Mexico, there is a specific date. If your country is part of the rest of Latin America or Spain, there is another date.
- Your category:
- F1, if you are the child of an American citizen of 21 years of age or older and you are single (see more on this point at end of the article).
- F2A, if you are the spouse or the under-21 unmarried child of a permanent resident.
- F2B, if you are 21 years of age or older and you are the unmarried child of a permanent resident.
- F3, if you are the child of a U.S. citizen and you are married.
- F4, if you are a citizen’s sibling.
- Your priority date: that is the date that appears next to “priority date” on the paper that was sent to you as a confirmation of the approval of your Green Card (NOA2).
- The date published in the Visa Bulletin: it is known as “cut off date”, and it must correspond to your category.