The Age Amount will transfer between spouses if it is beneficial to, however, it is based on taxable income, rather than transferring medical expenses.
Turbotax will automatically transfer this tax credit, and possibly others if they apply to your circumstances, and report the transferred amount to line 32600 of the recipient spouse. When you complete and pay for your return, you can view amounts transferred in more detail on the Schedule 2 of the recipient spouse found in the pdf copy of your return.
Medical expenses are usually claimed on the lower income earner, because 3% of net income is subtracted from the total expenses, with the net amount used to calculate the tax credit; however, on occassion it may be better to move them to the higher income earner, particularly if the lower earner already has sufficient tax credits.
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