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- Check Adjustments Quick Reference Guide
- Forward Collection & Return Letter Error Type
The following links provide specific information for each investigation type (ITYP) a description and proper usage, the case submission requirements and the supporting documentation requirements. Refer to the Check Adjustments Quick Reference Guide (QRG) Recap (PDF) to assist you with determining which ITYP is applicable to you, based on your role as the Sender or the Receiver of the item.
The following investigation types are outdated and have minimal usage. These investigation types were eliminated on May 22, 2017.