Can I file for an extension of allimony payments?

You may petition a court for additional spousal support or alimony if the court decided the spousal support and you still have a need for support and your ex-husband still has the ability to pay and there was a reservation, which is generally half the length of the marriage.  If your husband and you settled the alimony issue by agreement, you will need to look to the terms of the agreement.  If your agreement states that the alimony is "nonmodifiable" then you cannot change it except by a written amendment to the agreement signed by both your ex-husband and you.