Activate "Partnership" via manage section
When preparing your individual income tax return (ITR) that includes partnership distributions, you can deduct motor vehicle expenses against your partnership income at Item 13 of the return.
To claim these deductions for motor vehicle expenses associated with non-primary production partnership income.
The amount can be added line by line, but you should manually write the description for each line item. F.E I suppose car expenses can be added in “Deductions relating to other income”.
Summary:
If you want to separate sources of income, then PTR can be filled and then total net income can be distributed to selected individual.