I have worked on Multiperiod Accounting in Non-Prod Instance for USA

Summary:

Worked on Multiperiod Accounting to change rules for Number of days per an invoice in USA BU

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Have worked on Multiperiod accounting and taxation for USA Business Unit , Right now i want to change all the rules for other countries in Non-Prod. How can we change USA to some other country. I even changed the Business Unit in Data Access set and in Specify Ledger option. But still i can see the Journal line rules are same as in USA Business Unit. So how can i change it to some other country in Non-Prod to change all Journal Line Rules.