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My ex is not complying with the custody judgment — what can I do?

Verified 31 July 2026 Law of Quebec and Canada General information, not legal advice

Short answer

In Quebec, contempt of court proceedings serve to deter and punish a person who refuses to comply with a judgment. A person found guilty is liable to a fine of up to $10,000 and to community work, and risks imprisonment if they keep refusing.

In detail

JuridiQC sets out several options before getting to that point: discussing it with the other parent so that they comply with the judgment, sending them a mise en demeure (formal notice) to stop the behaviour, filing an application for contempt of court, and, in certain extreme cases, applying to change custody.

Contempt of court is a serious and demanding proceeding. It means showing that a clear judgment exists, that the person knew about it, and that they deliberately refused to comply with it. That is a high burden of proof, and it is exactly why documentation counts for so much.

Note that these recourses run both ways: they are open to the parent who is denied access just as much as to the parent whose child is not brought back at the agreed time.

What to document

A copy of the judgment in force. Then, for each breach: the date, the scheduled time, the actual time, the place, the witnesses, and the written trace (text message, email, co-parenting app message). Also keep the formal notice and proof that it was sent. A dated chronology of ten incidents carries far more weight than a general complaint.

Put your facts in writing, free. Writing your version down early, keeping your documents dated and preparing your questions for a lawyer: the tool is there to document, never to advise.

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Official sources

Related questions

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What this page is not

This is general legal information about the law of Quebec and Canada, dated and sourced. It is not legal advice, not a strategy, and not a prediction about the outcome of a case. In Quebec, only lawyers and notaries may give legal advice (Act respecting the Barreau du Québec, ss. 128 and 133). Laws and amounts change: the official source always prevails over us.