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The best way to keep track of agreements as co-parents

Jeroen 6 min read
The best way to keep track of agreements as co-parents
This image was made with AI.

“But that’s what we agreed, isn’t it?”

It’s December. You’re sure that back in the summer you agreed the children would spend Christmas Eve with you and Christmas Day with the other parent. Your ex is just as sure it was the other way round. Somewhere in a WhatsApp chat from months ago is the answer, between a photo of a school report and a question about gym shoes. Nobody can find it.

Most arguments between co-parents aren’t about what was agreed, but about what each of you remembers. An agreement that isn’t written down shifts over time. That isn’t bad faith; it’s simply how memory works. So the answer isn’t to remember better, but to record better.

Why agreements get lost

  • They’re everywhere. Some in the parenting plan, some in WhatsApp, some in an email and some only in your heads.
  • They’re vague. “We’ll alternate the holidays” sounds clear, until someone asks whether New Year’s Eve counts.
  • They change without anyone writing it down. A swap that was “just this once” quietly becomes the new rule.
  • They’re never confirmed. On the phone you both say yes, but each of you hears something different.

What a good agreement looks like

An agreement only works if someone who wasn’t there would read it the same way. A few questions help to make it precise:

  • Who does what? Not “we’ll sort out the birthday together”, but “the party is at Mum’s, Dad buys the present from both of us”.
  • When exactly? A date, a time or a fixed rule: “the first week of the summer holidays, from Saturday 10am to Saturday 10am”.
  • For which child? What applies to the eldest doesn’t have to apply to the youngest.
  • Until when? Is it for good, for this school year, or until the youngest starts secondary school?
  • What if it doesn’t work out? Who lets the other know, how far in advance, and what’s the alternative?

That may seem like a lot of effort for something small. But it’s precisely the small agreements (bedtime, screen time, who pays for new shoes) that cause the most discussion later on.

One place, for both of you

The most important rule is also the simplest: all agreements live in one place that both parents can reach. Not in your notes app or in their inbox, but somewhere you both see the same thing.

The parenting plan is the foundation. It sets out the main lines: how care is divided, how you share information and how you split costs. What you agree on in everyday life after that fills in the details. They belong together, in the same place.

A chat is not an archive. A chat is fine for discussing something, but an agreement that only lives there sinks under the next week’s messages. If you agree on something in a message, add it to your agreements straight away too.

Record, confirm, review

Write it down while it’s fresh. After a conversation or phone call, one of you writes down the agreement the same day. The other reads along and speaks up if something else was meant.

Keep it business-like. An agreement is no place for explanations or blame. “From 1 November we pick the children up at 5pm instead of 6pm” is enough. You can read more about that tone in our article on business-like communication between co-parents.

Update an agreement instead of adding a new one next to it. Two versions of the same agreement are worse than none. When something changes, update the existing text and note from when the new version applies.

Look at them together once a year. The start of the school year is a good moment. Children grow up, timetables change, and an agreement that suited a toddler no longer suits a teenager. If you want to change the parenting plan itself, ask a mediator or lawyer how to do that in your situation.

When you don’t agree

Sometimes it only becomes clear while writing it down that you meant different things. That isn’t a failure: it’s exactly why you write it down. Better a short conversation now about what you meant than an argument in December about what was said.

If you can’t work it out together, a mediator can help you turn it into an agreement that works for both of you. Bring what you’ve already recorded: it saves a lot of time.

Keeping track of agreements in Harmoneaz

In Harmoneaz your agreements live in one place that both parents see, separate from the chat.

  • Parent agreements — each agreement has a title and a text, with headings and lists if you need them. You can mark which child an agreement is for and view the list per child. The most recently changed agreement is at the top.
  • Record it from Discussions — if an agreement is in a message, tap the message and choose “Add as parent agreement”. The text is already filled in. The agreement then shows where it came from: “Recorded from Discussions”, with the sender and the date. One tap takes you back to the original conversation.
  • Messages stay put — in Discussions, sent messages can’t be edited or deleted. What was said can always be read back.
  • Also in the calendar or as a task — if an agreement is about a date or a job, you can add the same message as a calendar item or task. A date in the message, like “Friday” or “15 December”, is filled in for you.

Anyone in the group with the right permissions can view the agreements. Adding and changing agreements requires a subscription.

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Further reading (external sources)

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Written by Jeroen

I am a co-parent myself. Scattered notes, re-aligning agreements every single time, tracking child support by hand, forgetting to pack things — I ran into all of it. That is why I…

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This article was written with the help of AI and reviewed by the Harmoneaz team for accuracy. For advice specific to your situation, we recommend speaking with a mediator or family law attorney.

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