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Parsing CHIPS sequence numbers

Updated on March 4, 2022

The Clearing House Interbank Payments System (CHIPS) is an electronic payments system that transfers funds and settles transactions in U.S. dollars. The CHIPS sequence number is in a known format, with characters that represent a routing code and then a sequence number.

ThePegaSI_SampleRuleSet provides a sample Transaction Reference pattern, FindCHIPSSequenceNum, that can be cloned and modified as needed.

Pega Smart Investigate for Payments Implementation Guide


The parser recognizes inquiry references in the format ssssssssssssss9999999, where:

  • ssssssssssssss is one of the strings SSN, CHIPS SEQ, CHIPS SEQUENCE, or CHIPS SSN
  • 9999999 is a 4- to 7-digit sequence number

The parser accepts cases where the string ssssssss is followed by a space, period, slash, colon, linefeed, or carriage return.

Manipulate/Translate Step

The output of the TRANSLATE step ensures that the value is a correctly formatted 4- to 7-digit CHIPS sequence number.

Validate Step

May reference a WHEN block.

Map/Output Step

If the Test/Validate step returns TRUE, or no test/validate step is used and data has been successfully located, the output is saved as a property.

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