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The DCB Service creates virtual patrons using the "PatronRegistrationCreate Version 1" method within the PAPI Service API. Details and request body example can be found here: https://documentation.iii.com/polaris/PAPI/current/PAPIService/PAPIServicePatronRegistrationCreate_v1.htm
Patron Field Usage in DCB Polaris Patron Creation
PatronBranchID:
Usage: Specifies the item location ID.
Source: Derived from the items assigned branch ID.
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