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All the changes you make are reflected in 3 places - Calculation Lines, Payment Calendar, Financing Contract Changes. For more information about general contract changes see attached video:

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In this case, we are choosing the process of changing Financing Period, which is described below:

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Step n. 1

At the beginning, you must find the Contract, on which you want to change Financing period. On dashboard click on Active and choose the concretely Contract.

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