Validation of a date question

Hi!
I am making a form that has a field with the date of birth of the holder and another field that will select whether the holder is a minor or not (YES or NO). In that selection field (YES or NO), I need to create a condition that if the user enters a date of birth greater than ‘2003-12-01’ and selects the option NO, show an error message, claiming that the holder is of age. I ask for your help.

Welcome to the community, @finercia_americo! You could do the same as outlined in the image shared below:

In the survey tab of your xlsform:

In the choices tab of your xlsform:

Image 2

Data entry screen as seen in Enketo: when a condition is not met

Data entry screen as seen in Enketo: when a condition is met

Data entry screen as seen in Enketo: when a condition is met

Data entry screen as seen in Enketo: when a condition is not met

Reference xlsform:

Date Constraints.xls (43.5 KB)

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Hello, Kal_lam. Thank you so much for your support. I managed to solve it.

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