Grounds for annulment include incompetence at the time of the marriage.

In general, courts do not grant annulments based on one spouse’s party had previously been married and the circumstances under which previous marriages ended. In many jurisdictions, these misrepresentations must rise to the level that they interfere with what are termed the "essentials of marriage."

When courts do annul marriages on the spouse claims that he or she is a widow or a widower when in fact he or she is divorced.

New York is one state that allows for annulments based on a concealment of a spouse’s prior marital status.

The children of annulled marriages are legitimate.

Most annulments are granted by religious tribunes.

See also Ab Initio; Nunc Pro Tunc