Navigating parenting arrangements after separation can be one of the most difficult parts of family law. Parents often wonder who will make important decisions, how parenting time will be shared, and what truly serves a child’s best interests. For families in Sarnia, these issues are decided under Ontario and federal laws — but local knowledge and support can make a meaningful difference. Our experienced Sarnia family lawyers help parents reach solutions that protect their children and reduce conflict.
What Do “Decision-Making Responsibility” and “Parenting Time” Mean?
Under Ontario family law, decision-making responsibility refers to who has authority over significant aspects of a child’s life — such as education, healthcare, and religion — while parenting time describes how the child’s schedule is shared between parents.
These terms replaced the older language of custody and access in the Divorce Act and Children’s Law Reform Act in 2021. Courts and lawyers sometimes still use both terms together, especially when referring to older agreements, but “decision-making responsibility” and “parenting time” are now the correct legal terms.
Understanding this updated terminology is essential for parents in Sarnia who are negotiating parenting plans or seeking court orders — it clarifies rights, responsibilities, and expectations for each parent.
The Best Interests Standard
All decisions about decision-making responsibility and parenting time are guided by one core principle: the best interests of the child. This standard, outlined in section 24 of the Children’s Law Reform Act and the Divorce Act, directs courts to consider:
- The child’s physical, emotional, and psychological safety
- Each parent’s ability and willingness to meet the child’s needs
- The child’s relationship with parents, siblings, and extended family
- The child’s cultural, linguistic, and religious background
- Any history of family violence
- The child’s views and preferences
Understanding the Child’s Views and Preferences
A child’s wishes are one factor — but not the deciding one. The court focuses on maturity rather than age alone. In practice, children’s views are usually shared through the Office of the Children’s Lawyer (OCL), which may prepare a report or have a clinician interview the child. In rare cases, older children may speak directly to the judge. This careful process ensures that children are heard without being placed in the middle of parental conflict. More information about the OCL process is available through the Ontario Courts Family Division.
Types of Decision-Making Responsibility
Sole decision-making responsibility gives one parent authority over major decisions about the child’s life, while the other parent usually has parenting time and access to information about the child’s well-being. This arrangement is often chosen when there are safety concerns or ongoing conflict. Joint decision-making responsibility, by contrast, allows both parents to share decision-making authority. It works best when parents can communicate effectively and focus on the child’s needs despite their separation.
Shared or Split Parenting
In shared parenting, each parent cares for the child at least 40 percent of the time, which can affect support calculations under the Federal Child Support Guidelines.
In split parenting, one or more children primarily reside with each parent — typically in larger families where this arrangement supports the children’s stability.
Parenting Time in Practice
Parenting time schedules are flexible and can be tailored to each family’s needs. Examples include:
- Equal parenting time, alternating weeks or dividing the week evenly
- Primary residence, where one parent provides the main home base and the other has regular visits
- Supervised parenting time, when safety concerns exist and visits occur under professional supervision
Parents can access support for parenting plans through the Sarnia Family Law Service Centre — part of Legal Aid Ontario. This local centre assists with mediation, document preparation, and referrals for those who qualify.
Another local option is the County of Lambton Family Law Resources and Mediation Centre, which offers mediation and information sessions to help parents reach agreements outside of court.
Resolving Parenting Issues Without Going to Court
Sarnia parents often prefer collaborative or private approaches before resorting to litigation. Common alternatives include:
Mediation
A neutral mediator helps parents negotiate a mutually acceptable parenting plan. This can save time and cost while preserving cooperative relationships. Services are available through the Sarnia Family Law Service Centre.
Arbitration
A family arbitrator — often a senior lawyer — hears both sides and issues a binding decision. Arbitration follows the same legal principles as court but allows for more privacy and flexibility.
Parenting Coordination
In high-conflict cases where parents already share decision-making responsibility, a parenting coordinator can help resolve day-to-day disputes, ensuring ongoing communication and stability for the child.
Agreements reached through any of these methods can be formalized under the Family Law Act and filed with the court for enforcement if necessary.
When Court Intervention Is Necessary
If negotiation fails, either parent can apply for a court order under the Family Law Rules. The process typically includes:
- Filing an application detailing the orders sought
- Case conferences, where a judge helps identify issues and promote settlement
- Motions or trials, if the case requires a formal ruling
Courts expect parents to behave cooperatively. Actions that harm the child’s relationship with the other parent can negatively affect the outcome. Sarnia’s family cases are heard through the local branch of the Ontario Courts Family Division.
Changing a Parenting Order or Agreement
Parenting orders are not necessarily permanent. Either parent may request a change — called a variation — if there’s a significant change in circumstances, such as a new work schedule, a child’s changing needs, or a major relocation. The court will revisit the arrangement using the best interests of the child test.
Parents can also update a separation agreement privately, provided it remains balanced and child-focused. Working with experienced Sarnia family lawyers ensures these changes are documented properly and enforceable.
Relocation and Changing Parenting Plans (Mobility)
Relocation, often called mobility, is a common and complex issue in border communities like Sarnia. A parent planning to move — particularly if the move affects the child’s living arrangements or time with the other parent — must give advance written notice.
The Divorce Act sets out clear requirements: the parent must provide the new address, the proposed moving date, and details about how the child’s relationship with the other parent will be maintained.
The court again applies the best interests of the child standard, weighing:
- The reason for the move
- The child’s connections to their current community
- The ability to preserve meaningful relationships with both parents
Mobility disputes can be emotionally charged, and prompt legal advice is essential before taking action.
Support and Enforcement: The Role of the Family Responsibility Office
When a parenting order includes child or spousal support, enforcement is handled by Ontario’s Family Responsibility Office. The FRO collects and distributes payments, tracks arrears, and can enforce orders through measures like wage garnishment or licence suspension. Registering an order ensures accountability and provides security for both parents.
Safety and the Role of Child Protection
If a child’s safety is at risk, the Child, Youth and Family Services Act requires anyone who suspects abuse or neglect to report it. The Lambton County Children’s Aid Society investigates and intervenes when necessary. These situations require sensitive handling — professional guidance from experienced Sarnia family lawyers ensures that steps are taken lawfully and with the child’s welfare as the top priority.
Child Support and Shared Parenting
Parenting time directly affects financial responsibilities. The Federal Child Support Guidelines determine support based on income, number of children, and the proportion of time each parent spends with them. In shared parenting (each parent at least 40 percent of the time), courts often offset each parent’s calculated obligation to ensure fairness.
Intersections with Spousal Support and Property Division
Parenting arrangements often influence other parts of a separation. For example, the parent with more parenting time may have reduced income potential, affecting spousal support calculations under the Spousal Support Advisory Guidelines. Decisions about the family home — who stays, and how assets are divided — also connect to parenting stability under the Family Law Act.
Getting Legal Help in Sarnia
Families in Sarnia have several sources of support:
- Legal Aid Ontario – Sarnia Family Law Service Centre (201 Front St N, Suite 204; 519-336-4432) – free legal advice, mediation referrals, and document assistance for eligible residents.
- County of Lambton Family Law Resources and Mediation Centre – public mediation and information services.
- B.L.C. Community Legal Clinic and Legal Assistance of Windsor – community-based support for lower-income clients and cross-border family matters.
- Law Society of Ontario Directory – helps locate qualified family lawyers or licensed paralegals.
Taking the Next Step
Parenting disputes are deeply personal, but the law provides clear pathways to ensure children’s needs remain at the centre. Whether you’re creating a parenting plan, responding to a relocation issue, or seeking to vary an existing order, knowledgeable legal guidance can make all the difference.
Contact our experienced Sarnia family lawyers today for compassionate, practical advice. We’re here to help you protect your rights, support your children, and build a stable future for your family.
