Ontario Separation Checklist: Practical Steps From Day One

The early days and weeks of a separation are overwhelming. You may be managing raw emotions, children's questions, a shared home, and a stack of financial unknowns — all at once. Knowing what to do first, and in roughly what order, can make the difference between a separation that stays manageable and one that spirals into costly conflict.

This checklist is organized by timeline: what to handle immediately, what to sort in the first week, what can wait until month one, and what requires ongoing attention. You do not have to do everything at once. But you do need to know what is coming so nothing catches you off guard.

Ontario law — primarily the Family Law Act and the Divorce Act for married couples — shapes every item on this list. Statutes are named generally here; specific rules depend on your facts.

Day 1: Immediate Safety and Stability

Not every separation involves conflict, but if yours does — or if you are unsure — safety comes first.

• If there is any risk of physical harm, leave with your children if you can do so safely. Call 911 if you are in immediate danger. Contact a domestic violence support line for guidance on safe exit planning.
• Document any incidents of abuse, threats, or harassment by writing them down with dates, times, and witnesses. Keep these notes somewhere your spouse cannot access.
• Secure your personal identification documents: your passport, birth certificate, Social Insurance Number card, permanent residence card (if applicable), children's passports and birth certificates. If they are in a shared location, retrieve them or photograph them.
• Change your passwords on email, banking, social media, and any accounts that contain personal or financial information. Enable two-factor authentication where you can.
• Note the date of separation. In Ontario, the date of separation is legally significant — it affects property equalization calculations, support entitlements, and in some cases limitations periods. Write it down.

Week 1: Financial Snapshot and Housing

Finances

• Take stock of all accounts. List every bank account, investment account, RRSP, TFSA, RESP, pension, and line of credit — whether joint, in your name alone, or in your spouse's name. Note the approximate balances as of the date of separation. You are entitled to this information, and it matters for equalization.
• Photograph or download statements. For joint accounts and credit cards, download the last 12 months of statements now. Accessibility can change.
• Open a personal bank account in your name only if you do not already have one. Arrange for your pay to be deposited there. Having an independent account is not adversarial — it is prudent.
• Do not drain joint accounts. Moving marital funds unilaterally to prevent your spouse from accessing them is not permitted and can damage your credibility with a court. Leave joint accounts intact while you get legal advice on next steps.
• Note jointly held debts. Credit cards, lines of credit, and mortgages in both names remain your joint responsibility regardless of who is using them. Neither of you can simply "give" a joint debt to the other without the lender's consent.

Housing

• Determine who will stay in the home. In Ontario, both married spouses generally have an equal right to remain in the matrimonial home, regardless of whose name is on title — this is called the right of exclusive possession, and a court can grant it even over the other spouse's objection. The situation is more nuanced for common-law partners.
• If you are renting, do not unilaterally remove your spouse's name from the lease or attempt to change the locks.
• If you need to move out, do not assume leaving the home means you have given up your legal rights to it.

Month 1: Legal, Children, and Insurance

Get Legal Advice

• Consult a family lawyer. Even one consultation will clarify your rights around property, support, and parenting. Ontario family lawyers offer various service models — full representation, unbundled legal help, or flat-fee packages (which is how Treadstone Law works).
• Understand your options for resolving the separation: negotiated separation agreement, mediation, collaborative law, or court. Most Ontario separations settle without a trial.
• If you have a Will, review it. In Ontario, marriage revokes a Will made before the marriage (with limited exceptions), so your existing Will may already be outdated. Separation does not automatically change a Will — your estranged spouse may still inherit if you die before updating it.
• Review any Powers of Attorney you have given your spouse. You may want to revoke them.

Children

• Decision-making responsibility (formerly called "custody") refers to who makes major decisions about a child's education, health, religion, and extracurricular activities. Parenting time refers to the schedule of time each parent spends with the child. These are the terms used in Ontario courts under the Divorce Act and the Children's Law Reform Act.
• Keep children's routines as stable as possible. Courts in Ontario place significant weight on the status quo when making parenting orders — if one parent has been the primary caregiver, that matters.
• Do not take children out of province without the other parent's consent unless you have a court order permitting it. Doing so without consent can have serious legal consequences.
• Notify the children's school of the separation so they know who is authorized to pick up the children and whom to contact in an emergency.
• Do not use children as messengers or discuss the other parent negatively in their presence. Courts notice when one parent undermines the other's relationship with the children.

Insurance

• Health benefits: If you or your children are covered under your spouse's group benefits plan, find out immediately how long that coverage will continue and what your conversion options are. There is no COBRA-equivalent in Ontario — coverage can end quickly after separation. See our article on health benefits after separation for a full breakdown.
• Life insurance: If your spouse is the beneficiary of your life insurance, you may want to update this — though be aware that some policies and court orders restrict changes during active family law proceedings.
• Home insurance: Notify your insurer that the household situation has changed. Vacancy or a change in occupancy can affect your coverage.
• Auto insurance: If you and your spouse share a vehicle policy, contact your insurer about separating the policies.

Ongoing: Government Notifications and Support

Some steps are not urgent on Day 1 but need to happen within the first few months.

Canada Revenue Agency (CRA)

• Update your marital status with CRA by the end of the month following the month you separated. Your marital status affects the Canada Child Benefit (CCB), GST/HST credit, and other federal benefits. Log in to My Account on the CRA website or call CRA directly.
• Reassess Canada Child Benefit payments. After separation, each parent may apply for CCB based on their individual income and their proportion of time caring for the children. Amounts are income-tested — as of writing, verify current benefit amounts and thresholds with CRA.

Ontario Works / ODSP

• If you were financially dependent on your spouse and are now without income, you may be eligible for Ontario Works (social assistance) while support arrangements are being worked out. Contact your local Ontario Works office.

Other Government Accounts

• Update your address with CRA, Service Ontario, your bank, your employer, OHIP, and any other government programs you receive.
• If you or your spouse is not a Canadian citizen or permanent resident, speak with an immigration lawyer promptly — separation can have immigration consequences depending on your status.

Pension and Retirement Accounts

• In Ontario, the value of pension plans accumulated during the marriage is subject to equalization on marriage breakdown. Defined benefit pensions in particular require careful valuation — this is not something to estimate on your own.
• RRSPs and TFSAs held on the date of separation are also part of the equalization calculation, even if they are in one person's name.

Ongoing Tracking

• Keep a simple log of significant events, agreements made verbally, and communications about children or finances. If things become contested later, this record can matter.
• Save all written communications with your spouse about finances, children, and the separation itself.

Frequently asked questions