There are circumstances in which the courts have refused to enforce certain parts/provisions of these agreements. For example, in North Dakota, divorce courts retain jurisdiction to change a limitation on the right to maintenance or assistance from a spouse in a pre-marital agreement if this would result in the spouse who waived that right needing public assistance at the time of the divorce.  Florida and several other states have similar restrictions to prevent an outgoing spouse from becoming a ward of the state after a divorce under a marriage contract.  In addition, the Premarital Agreement Act in Florida, where the share of estate (share of choice) and farm rights granted to surviving spouses under state law are strong enough that a waiver of the surviving spouse`s rights set out in a marriage contract is enforced with the same formality as an enforceable will (notarized and testified by two non-interested parties). The two basic conditions of a prenup are: 1) the agreement must be in writing; and (2) signed by both parties. .