Line 38 of form TP-128 is "your share of ownership".
On the related worksheet T776, this field is labeled as "your percentage of the partnership".
The description on T776 seems to apply only to partnerships, and not co-ownerships, so people filing as a co-ownership might think they need to leave the field blank (0%). It's a subtle difference but it is misleading and can significantly affect your return.
Unfortunately, that is the wording that is on the actual T776 form from the CRA (Canada Revenue Agency).
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