Money What are IRS codes 826, 846, 570? The meaning of common codes on your 2022 tax transcript February 27, 2023March 7, 2023Clare Mulroy, USA TODAYComments Off on What are IRS codes 826, 846, 570? The meaning of common codes on your 2022 tax transcript IRS codes refer to steps the agency has taken on taxpayer accounts. 826, 846 and 570 are related to overpayments and credit holds.