SharePoint list column validation - if status is a certain value, require a date in another column

[Annette1101]

I have an Asset SharePoint list that has a status column. The column values are Active, Sold, Disposed. If the status is Sold or Disposed, I want the date column "Out of Service" to be required.

I tried entering this into the Validation Setting, but I keep getting the "Sorry., something went wrong.." message.

=IF(AND(OR([Status]="Sold",[Status]="Disposed"),ISBLANK([OutOfService]),TRUE,TRUE),FALSE)

Obviously, I have the statement incorrect. Any help would be greatly appreciated!!

[#2]

Hi @Annette1101 - To have a column be conditionally required, you'll need to add a custom form or canvas app to the list. You can check out:

http://powerappsguide.com/blog/post/forms-how-to-conditionally-make-form-fields-mandatory

and

https://www.bing.com/videos/search?q=power+apps+conditionally+require+fields&qpvt=power+apps+conditi...

Hope that helps!

[#3 · Accepted solution]

@Annette1101 Use list validation formula like this: 

=IF(OR([Status]="Sold",[Status]="Disposed"),NOT(ISBLANK([OutOfService])),TRUE)

You have to use above formula in list validation settings and not in column validation settings.

Similar threads: 

1. How to have validation for SharePoint list column? 
2. SharePoint List validation formula if then syntax 

Note:

1. Sometimes comma( , ) does not work in formula (it is based on language or regional settings on your site). So in that case use semicolon( ; ) instead of comma( , ).
2. Use correct display name (not internal name) of your SharePoint columns in above formula.
3. Wrap column names inside [] if your column name has space in it. For example: [My Column Name].

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[#4]

This was spot on!! Also, I was using the internal name instead of the display name. Thank you so much for the extra notes and links to similar threads!