What is an Antenuptial Contract?

An Antenuptial Contract (ANC), sometimes called a prenuptial agreement, is a legally binding contract entered into by prospective spouses before marriage. In South Africa, an ANC can be used to regulate the matrimonial property consequences of the marriage and, where properly structured and executed, allow the couple to marry out of community of property.

The Matrimonial Property Act 88 of 1984 is an important part of the legal framework governing matrimonial property regimes in South Africa, alongside the Deeds Registries Act and applicable common and customary law.

What Does an Antenuptial Contract Do?

Marriage has legal consequences beyond the personal relationship between two spouses. The matrimonial property regime determines how the spouses' estates are structured and can affect assets, liabilities, financial growth, business interests and what happens when the marriage ends.

An ANC allows prospective spouses, where the legal requirements are met, to choose a matrimonial property regime other than the default community-of-property regime. Depending on the terms of the ANC, the spouses may marry out of community of property with accrual or without accrual.

If a couple marries without a valid ANC that excludes community of property, community of property will generally apply where that regime is the applicable default. Under community of property, the spouses generally share a joint estate, subject to the applicable legal rules and exceptions. An ANC can instead establish a separate-estate structure, depending on the regime selected and the terms of the contract.

The exact terms of an ANC can also be important where the couple has significant assets, business interests, existing financial obligations or specific estate-planning considerations.

An ANC Can Support Different Regime Choices

It is important to remember that an ANC is not a regime itself. It is the legal contract through which prospective spouses structure their chosen matrimonial property regime:

• Out of Community of Property with Accrual: Spouses generally maintain separate estates during the marriage, while the growth of their estates is taken into account through the accrual system when the marriage ends.
• Out of Community of Property without Accrual: Spouses generally maintain separate estates throughout the marriage and do not participate in each other's accrual under the statutory accrual system when the marriage dissolves.
• In Community of Property: Where applicable, community of property is generally the default if the couple does not validly exclude it before marriage. Under this system, spouses share a single joint estate.

Why Does the ANC Matter?

The matrimonial property regime can affect how assets and liabilities are treated during marriage and when the marriage ends. The choices made in an ANC can influence:

• Existing pre-marital assets and savings
• Future wealth and financial growth accumulated during the marriage
• Business interests, shares, and commercial risk
• Debts, loans, and personal surety obligations
• Creditor exposure and the impact of potential insolvency
• The treatment of inheritances, legacies, and donations
• Long-term estate planning and succession
• The financial consequences of divorce or the death of a spouse

Not every couple will have the same priorities or financial background. The critical step is understanding these implications before making a choice.

Three Important Requirements

For an Antenuptial Contract to properly regulate the proprietary consequences of a marriage and be effective against third parties, three core legal requirements must be fulfilled:

1. Execution Before Marriage

An ANC must be executed before the marriage is concluded. This timing requirement is fundamental. The contract should be properly prepared, signed and executed before the parties marry.

Customary marriages require particular care because the point at which the marriage is concluded depends on the applicable legislation, customary law and the facts of the particular relationship. Couples involved in customary marriage arrangements should obtain appropriate legal guidance about timing well before entering into agreements or traditional proceedings.

2. Formal Notarial Execution

The ANC must be executed before a Notary Public in accordance with the applicable legal requirements. The drafting process may involve legal professionals and the couple's instructions, but formal notarial attestation before an admitted Notary Public is an essential statutory requirement.

3. Deeds Registry Registration

After execution, the ANC must be registered in the Deeds Registry within the period prescribed by law. South African law provides a three-month period from the date of execution for registration of an antenuptial contract executed in the Republic. This registration stage is distinct from the formal execution of the contract before the Notary.

Execution and Registration Are Two Different Steps

Couples often confuse the act of signing the contract with its subsequent registration. The entire process follows a clear four-step progression:

What Does the Three-Month Registration Period Mean?

The statutory three-month registration period does not mean that couples must wait three months after signing before they can get married.

The fundamental legal requirement is that the ANC is properly executed before the marriage takes place. Deeds Registry registration occurs after execution. Once the contract has been properly executed, it is lodged for registration in accordance with the applicable statutory requirements. Registration is therefore a post-execution legal and administrative step.

What About the Wedding Before Deeds Registry Registration?

The Deeds Registry registration process routinely continues after the marriage has taken place, provided the ANC was properly executed prior to the ceremony. Where appropriate, the Notary may provide documentation or a Notarial Certificate confirming execution for purposes of the couple's marriage arrangements with their marriage officer.

Our Wedding Is in Three Days. Is It Too Late?

Not necessarily.

An ANC must be executed before the marriage is concluded. In principle, this means that the legal process can still be completed very close to the wedding date if there is sufficient time to properly obtain instructions, prepare the contract, complete any required checks, arrange a Notary appointment, and execute the contract before the marriage ceremony.

However, last-minute instructions create serious practical risks. Practical factors that can cause delays include:

• Notary and client schedule availability
• Providing required identity and supporting financial documentation
• Time required for the couple to review, clarify, and understand the draft contract
• Custom drafting or required revisions
• Arranging a Special Power of Attorney where a party cannot attend in person
• Signing logistics and witness availability

Urgent work may also attract additional professional or administrative fees depending on the circumstances and the service selected. Most importantly, couples should avoid leaving the ANC until the last minute simply because it may technically still be possible.

When Should We Start?

At B4.iDO, we encourage couples to start the ANC process well before their intended wedding date.

As a practical planning guide, starting at least two months before the marriage gives the couple and the legal team sufficient time to handle consultations, documentation, customized drafting, revisions, and signing appointments without placing unnecessary pressure on the wedding date.

For couples with more complex circumstances—such as business shareholdings, international assets, blended families, or customary marriage steps—starting earlier is strongly advisable.

What Happens After You Sign?

Once the ANC has been executed before the Notary Public prior to the marriage, the matter enters the post-signing registration workflow:

• The contract is prepared for lodgment and placed into the registration workflow.
• It is lodged at the relevant Deeds Registry.
• Deeds Registry officials examine the document.
• Once examination requirements are satisfied, the contract proceeds to formal registration.
• Following post-registration administration, the original registered contract is returned to our office.
• The contract is securely archived digitally and prepared for collection or courier delivery.

Deeds Registry examination and registration typically take several weeks, subject to the Registry's operational processing times.

What an ANC Does Not Automatically Do

An ANC is an essential proprietary document, but it is not a universal shield against every financial risk. It does not automatically:

• Eliminate existing or personal debts incurred by either spouse
• Protect every asset from every creditor under all circumstances
• Replace a Last Will and Testament
• Determine who inherits your estate upon death
• Guarantee that a business venture will never impact a household's broader finances
• Remove the need for ongoing estate planning and commercial structuring
• Eliminate the need for personalized legal advice where financial affairs are complex

The legal protection provided depends on the regime chosen, the specific terms of the contract, asset ownership, and applicable law.

Who Should Consider an ANC Carefully?

Every couple should understand the matrimonial property regime that will govern their marriage. This consideration is particularly important where either partner:

• Owns or operates a business, or plans to start one
• Carries existing debt, vehicle finance, or commercial liabilities
• Owns significant pre-marital property, shares, or investments
• Has children from a previous relationship (blended family)
• Expects significant future wealth, family business succession, or inheritances
• Holds international assets or plans to relocate abroad
• Is concluding a customary marriage
• Has specific estate-planning or legacy objectives