This is the time of year when a lot of couples get engaged. If you’re newly engaged – or about to pop the question – you’re probably not thinking about a prenuptial agreement. However, you don’t want to wait too long.
One of the things that can cause a judge to invalidate a prenup if it’s challenged is if a spouse can show that it was presented to them just before the wedding. No one should feel pressured into signing a prenup or not given sufficient time to get a legal review.
Another factor that can invalidate the whole thing is if it has passed an expiration date. This is commonly known as a “sunset clause.” This clause certainly isn’t required in a prenup and may not be advisable. However, some couples include them because they figure that if they stay married for 10 years, 20 years or some given length of time, they’ll be together forever. They may believe that the provisions they’ve codified in their prenup will no longer be relevant after a number of years.
The problem is that many people do divorce after long marriages. If you have a sunset clause that causes your prenup to expire on your tenth wedding anniversary, your prenup is worthless after that.
Replacing your prenup with a postnup later
While you can’t specifically “renew” a prenup, you can develop a postnuptial agreement at any point after you get married that will replace your prenup. If you want to have a sunset provision in your prenup, then it’s wise for both of you to sit down and review it before the expiration date and determine whether to get a postnup that reflects your current situation. One of you may have started a company and begun earning significantly more money than the other. One of you may have decided to be a stay-at-home parent and remained largely out of the workplace. Life will change in ways you can’t predict.
Whether or not you choose to have a sunset provision is up to you. However, if you do, it’s crucial not to forget about it. It’s also important to remember that you can always protect both of your interests at any point during your marriage by replacing your prenup with a solid postnuptial agreement.
Answers to common questions about prenup sunset clauses
As you can see, including a sunset clause in your prenuptial agreement can carry long-term financial and legal consequences, making it natural to have concerns. The following questions and answers can speak to many of the common anxieties you may have about prenuptial agreement sunset clauses.
What are the potential tax implications of including or removing a sunset clause in a prenuptial agreement?
Including or removing a sunset clause may indirectly affect tax planning, particularly in high-asset marriages. If the clause causes the agreement to expire, previously protected assets may become marital property. This can influence estate tax exposure and capital gains treatment during the process of asset division.
Couples should consider how the expiration of a prenup might shift ownership structures and trigger taxable events. For instance, jointly titled real estate may lose its protected status and become subject to capital gains tax upon sale. In another example, previously separate investment accounts could be reclassified as marital assets, affecting estate tax calculations.
Consulting an estate planning representative with both tax and family law experience can help you take steps to avoid unintended consequences.
Can a sunset clause in a prenup affect retirement or pension benefits during the marriage or after a divorce?
Yes, if your prenup contains a sunset clause, it could impact how retirement and pension benefits are treated. If the prenup expires due to the clause, protections around individual retirement accounts, pensions or employer-sponsored plans may no longer apply.
This can leave assets vulnerable to equitable division during a Massachusetts divorce. If your premarital agreement is set to expire, you can avoid this risk by making certain that any retirement-related provisions are clearly addressed in a postnuptial agreement. Otherwise, your long-term financial security may be compromised.
How should couples approach updating or renegotiating a sunset clause as life and financial circumstances change over time?
Couples should consider revisiting their prenuptial agreement well before the sunset clause takes effect. Life events such as starting a business, having children or one spouse leaving the workforce can dramatically alter financial dynamics.
A postnuptial agreement can replace the original prenup while reflecting your current goals and responsibilities. When renegotiating, both parties should have independent legal counsel and sufficient time to review terms. Open communication and proactive planning can help preserve fairness and may prevent future disputes.

