Co-Parenting Plan Ontario: Communication Rules & Templates

A parenting plan that says "the parents will communicate about the children as needed" is a plan designed to fail. Every Ontario family mediator has seen this clause — and the inevitable motion to change that follows six months later when "as needed" means daily demands to one parent and weekly check-ins to the other.

Effective co-parenting plans are prescriptive. They define how you communicate, what decisions require joint input, and what happens when you disagree.

What Ontario Law Actually Requires

The Divorce Act and the Children's Law Reform Act both impose a positive duty on parents to cooperate on decisions affecting their children and to support the child's relationship with the other parent. But neither statute prescribes the mechanics of how that cooperation works.

That's your job. The parenting plan (whether in a separation agreement or court order) is where you build the operational structure for your co-parenting relationship. Ontario courts expect plans to address three layers of decision-making:

1. Major decisions — health, education, religion, and significant extracurricular commitments (decision-making responsibility under the Divorce Act)
2. Day-to-day decisions — meals, bedtimes, homework routines, playdates — made by whichever parent has the child
3. Shared logistics — school pickups, clothing transfers, appointment scheduling, expense reimbursement

Setting Communication Ground Rules

The most durable co-parenting plans specify a single communication channel and clear response expectations. This prevents the chaos of scattered conversations across text, email, voicemail, and in-person exchanges at pickup.

Recommended communication framework:

• Primary channel — a co-parenting app (OurFamilyWizard, Talking Parents) or email. Text messaging is fine for low-conflict situations but lacks the documentation trail that apps provide.
• Response window — 24 to 48 hours for non-urgent matters. Define what counts as urgent (medical emergency, school safety incident) versus what can wait.
• Message format — one topic per message, with a clear request or information point. The B.I.F.F. principle (Brief, Informative, Friendly, Firm) is widely used by Ontario mediators.
• Phone calls — reserved for genuine emergencies only, or scheduled at agreed times for discussing specific topics.

Decision-Making Protocols

When parents share decision-making responsibility, the plan needs a process for reaching agreement on major decisions. Without one, disagreements stall indefinitely — or one parent makes unilateral decisions and deals with the fallout later.

A practical decision-making protocol includes:

• Proposal requirement — the parent proposing a change (new school, elective surgery, religious program) puts it in writing with supporting information
• Discussion period — the other parent has a defined window (7 to 14 days) to respond
• Dispute resolution step — if parents can't agree, they consult a parenting coordinator or mediator before filing a court motion
• Tiebreaker — some plans assign final authority on specific categories (one parent decides medical, the other decides educational) to avoid deadlock

For parallel parenting arrangements — common in high-conflict situations — each parent makes all decisions during their own time, with major decisions divided by category rather than requiring joint agreement.

Information-Sharing Obligations

Both the Divorce Act and the CLRA give each parent the right to receive information about their child's health, education, and general welfare, regardless of who has decision-making responsibility. Your co-parenting plan should make this automatic rather than requiring one parent to chase the other for updates.

Standard information-sharing clauses include:

• School — both parents listed as contacts, both receive report cards and teacher communications directly
• Medical — both parents listed with the family doctor, dentist, and any specialists; the parent who takes the child to an appointment shares a summary within 24 hours
• Extracurriculars — schedule, location, and coach/instructor contact information shared at enrollment
• Emergencies — immediate notification (phone call) if the child is hospitalized, involved in an accident, or encounters police

Handling Schedule Changes

Rigid adherence to a parenting schedule isn't realistic. Work trips, family events, and children's activities create legitimate reasons for schedule swaps. The plan should define how changes work:

• Advance notice — 48 to 72 hours for a swap request (more for holiday or vacation changes)
• Right of first refusal — if a parent can't be with the child for a defined period (typically 4+ hours), the other parent gets first option before a babysitter
• Make-up time — whether missed parenting time is compensated and how
• No unilateral changes — neither parent can alter the schedule without the other's agreement

Section 7 Expense Management

Special and extraordinary expenses under Section 7 of the Child Support Guidelines — childcare, medical and dental premiums, extracurriculars, tutoring, post-secondary costs — are shared proportionally based on each parent's income. This proportional split creates a recurring coordination need.

Your plan should specify:

• Pre-approval requirement — both parents must agree before enrolling the child in a new expense, unless it's a continuation of a pre-separation activity
• Documentation standard — receipts, invoices, and proof of payment shared within 30 days
• Reimbursement timeline — the owing parent reimburses within 30 days of receiving documentation
• Dispute process — disagreements about whether an expense qualifies as "necessary" go to a parenting coordinator before court

Building Your Co-Parenting Plan

The Ontario Child Custody & Parenting Plan Guide provides structured worksheets for communication protocols, decision-making authority allocation, expense tracking, and schedule change management. These worksheets help you draft clauses specific to your family's situation — not generic templates — so your co-parenting plan works as a daily operating manual rather than a document that sits in a drawer.

See more Ontario guides →