Have you filled out TP-348-V? Do you have T3/RL-16?
There could be two reasons that you are getting this error.
TP-228 is a form for moving expenses. We might be missing TP-348-V, which must accompany it.
Missing T3: montantP7 is federal. Information on how to amend, cancel, add, or replace T3 slips
Amending, cancelling, adding, or replacing T3 slips - Canada.ca
Hope this helps!
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