Prenuptial Agreements: Are They Valid in Italy? 

Prenuptial Agreements: Are They Valid in Italy? 

Prenuptial agreements—common in Anglo-Saxon legal systems—allow couples to regulate the consequences of a possible separation or divorce in advance. While not expressly regulated under Italian law, Italian courts have addressed their validity in several key rulings. So, are prenuptial agreements valid in Italy? The answer is nuanced. 

What Are Prenuptial Agreements? 

Prenuptial agreements are contracts in which future spouses (or spouses during marriage) define certain arrangements that will apply only if separation or divorce occurs. 

In practice, these agreements usually concern economic matters, such as the division of assets or financial adjustments between spouses. 

In other countries, prenuptial agreements may also cover personal matters (e.g. child custody or sanctions for infidelity), but Italian law places strict limits on such content.

The General Rule: Why Prenuptial Agreements Are Usually Invalid 

As a general principle, prenuptial agreements are not valid in Italy. 

Under Article 160 of the Civil Code, the rights and duties arising from marriage are mandatory and non-waivable. This means that agreements dealing with: 

• maintenance or alimony, 
• moral and material assistance, 
• cohabitation and fidelity, 
• custody and interests of minor children 

are considered null and void. 

The Supreme Court confirmed this position (Cass. No. 11012/2021), holding that agreements concluded in anticipation of separation or divorce—even if financially favourable to one spouse—are unlawful because they may influence the spouses’ freedom to decide whether to continue or end the marriage. 

The Emerging Exception: When Prenuptial Agreements Are Valid 

Despite the general prohibition, case law has progressively recognised limited validity for certain prenuptial agreements. 

The key distinction lies in the cause of the agreement. 

Separation as a Condition, Not the Cause 

An agreement may be valid when separation or divorce is treated only as a suspensive condition, not as the reason for the contract itself.

In Cass. No. 20415/2025, the Court upheld an agreement where the husband committed, in the event of separation, to reimburse the wife for renovation costs she had paid for his property. The court ruled that: 

• the agreement had an independent economic purpose; 
• separation merely triggered its effects; 
• Henceforth, the agreement was lawful. 

This reasoning follows earlier rulings (Cass. Nos. 18304/2013 and 23713/2012), which upheld agreements with exclusively economic content, effective only if the marriage failed. 

Can Prenuptial Agreements Regulate Personal Matters? 

A further step was taken in Cass. No. 18066/2014, which recognised the validity of agreements regulating personal aspects of family life, provided inalienable rights are respected. 

In particular, agreements concerning children may be valid only if they are in the best interest of the minor. In such cases, the courts recognised these agreements as true contracts expressing the parties’ autonomy, without the need for judicial review during separation proceedings. 

What Remains Strictly Prohibited? 

Even under this more flexible approach, certain matters can never be regulated by prenuptial agreements in Italy: 

• separation or divorce maintenance; 
• duties of fidelity, assistance, and cohabitation; 
• contribution to family needs; 
• custody arrangements for minor children. 

These obligations remain mandatory and cannot be waived or predetermined.

Conclusion 

Prenuptial agreements are not generally valid in Italy, but they may be upheld when they:

• concern purely economic matters; 
• have an independent contractual purpose; 
• make separation or divorce a suspensive condition, not the cause; 
• do not affect inalienable marital or parental rights. 

Understanding these limits is essential before relying on any agreement intended to regulate the effects of a future marital crisis. 

VGS Family Lawyers is a law firm that offers assistance to English-speaking clients with interests in Italy. In case you need assistance, please write to: info@vgslawyers.com.