I've created an item rule using the Rules Validation Rule template. The rule ensures that there is a value provided for EITHER a specific text field OR a specific checkbox field.

The rule works fine when toggling between a value and no value for the text field, but when toggling the checkbox field, it only reports a validation error after toggling to the unchecked stated and then saving TWICE. Saving the first time after unchecking the box doesn't give an error. I don't see this behavior with the text field. Any ideas why this is happening?

Here's the rule: enter image description here enter image description here

I've added the rule to the item template's standard values: enter image description here

  • Could you please add more details on how is the rule implemented? Commented Mar 9, 2021 at 9:15
  • More details added
    – Matt Eno
    Commented Mar 9, 2021 at 23:00

1 Answer 1


I was able to make it work by inverting the logic for the checkbox field. Instead of using is empty I used not equal to 1

enter image description here

  • Strangely, I tried that earlier, and it didn't work, but perhaps doing that AND having the checkbox field come first did the trick. Anyway, it's working now, so thanks.
    – Matt Eno
    Commented Mar 10, 2021 at 23:11

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