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Forward Collection & Return Letter Error Type

Links for each investigation type (ITYP) including a description and proper usage, the case submission requirements and the supporting documentation requirements.

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.

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Retired Investigation Types

As previously announced, the following investigation types are outdated and have minimal usage. As of May 22, 2017 they have been eliminated.

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