When entering amounts on form T777 (1) Statement of Employment Expenses, do I include HST if I am claiming the HST Rebate on form 370?
Yes, you would include HST on the T777 form even if you are claiming a HST rebate on the GST370 form. Some more information for you can be found here: https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...