K1 Aggregator to CCH Field Mappings
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Overview
As part of our integration with CCH through K1 Aggregator, K1x maintains a list of field mappings per return type.
Due to CCH using federal lines for states, state lines that are enabled use the same field mappings as the federal lines.
Tax Year 2024 Mapping Reference Guide
Download the TY24 K1 Aggregator to CCH Mappings
Tax Year 2023 Mapping Reference Guide
Download the TY23 K1 Aggregator to CCH Mappings
Tax Year 2022 Mapping Reference Guide
Download the TY22 K1 Aggregator to CCH Mappings
Note: CCH does not allow fields in yellow to be mapped to. Fields in gray have the ability to map to, but K1x does not currently map to those fields. Fields with no fill and no CCH mapping listed have yet to be updated for the new tax year.
More:
Quick Reference for Supported Return and K-1 Types

Circular 230 Disclosure
To ensure compliance with requirements imposed by the IRS, we inform you that any tax advice contained in this software (including any reports or downloads) is not intended or written to be used and cannot be used for the purposes of (i) avoiding penalties under the Internal Revenue Code or (ii) supporting, promoting, marketing or recommending to another party any transaction or matter addressed herein. This software is for informational purposes only and should not be regarded as tax advice. Please consult your tax advisor or attorney for guidance on your individual tax situation.
Related to
- TY22 K-1 Analyzer to CCH Mappings.xlsx80 KB
- K1 Aggregator CCH Mappings as of June Release.xlsx100 KB
- TY24 K1 Aggregator CCH Mappings.xlsx100 KB
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