the IRS has waived k-3 reporting for 2021. the problem comes about if that k-3 reports foreign tax credits. there really isn't a way to claim those credits without the form. however, in many cases, there will be no FTC. your options are to file now and amend if there is FTC or file an extension and wait for the partnership to provide the k-3 info. To file now uncheck the k-3 box on the Turbotax k-1 form.