You can copy an existing Income Rate Group by creating a new one and then copying the details from another existing one:
The IRG Lookup box opens.

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Select Search to view all IRGs.
Tip: From the View drop-down list, select a value to narrow the search results by a specific Bank ID.
The Search Results section refreshes to list the IRGs matching your search criteria.

The box refreshes to list the Available Fees for that IRG.

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Select Apply All to immediately apply all fee items in the Income Rate Group.