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SHORT ANSWER · DIVORCE

What is commingling in a divorce?

Commingling in a divorce is when separate property, such as an inheritance or money owned before the marriage, gets mixed with marital money, usually in a shared account. Once the funds sit together and are spent from together, it gets hard to say which dollars were separate. Showing the separate part then depends on tracing the statements.

DEFINITION

What is a commingling?

Commingling is mixing one spouse’s separate property with marital property, in the same account or asset, until the two can’t easily be told apart.

EXAMPLES

How does commingling usually happen?

Through ordinary banking. Choosing a tool? For tools that keep every account’s months complete, read the best divorce forensic accounting software.

What happenedWhy it mixes the funds
Inheritance paid into a joint accountIt sits beside paychecks and is spent with them
Pre-marriage savings used for a homeMarital payments later build on the same asset
Marital income paid into a separate accountThe separate balance now holds both
Transfers back and forth between accountsEach move blurs which dollars came from where

ZeraBooks builds the workflow around your matters and your template for free. No development charge, whether it’s a forensic department or one person.

WHY IT MATTERS

Why does commingling make a divorce harder?

Because the separate part has to be traced through the account, month by month, and every month must be there. Matter 25-117 shows it: checking closes March at 18,240.55 and opens May at 21,905.10. With April never produced, nobody can say what moved in or out that month. The methods are in how do you trace separate property in a divorce?

Commingled accounts are also where questions about what is dissipation of assets? come up. ZeraBooks proves each statement and flags missing months so the tracing starts from a complete record. How mixed funds are treated is up to state law and the court. This isn’t legal advice.

QUESTIONS

Commingling in divorce: common questions

Ask Damin directly
Does commingling make separate property marital?

Not automatically. It depends on the state and on whether the separate part can be traced.

Can you avoid commingling?

Keeping separate money in an account in one name, with no marital deposits, makes it easier to show later.

What records help most?

Every statement for the account from before the funds arrived to today, plus records of where the separate money came from.

Damin Mutti, founder of ZeraBooks

About the author

Damin Mutti

Founder of ZeraBooks, Vancouver

Damin founded ZeraBooks in 2025 and still talks to the bookkeepers, firms and owners who use it every week. He writes about what he sees in their statements and ledgers, and every page here is checked against the live product before it goes up.

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