Are there any downsides to creating calendars in R12.2 40 years in advance

Summary:

We are using Project Billing and use Forecast Cost Budgets and Approved Cost Budgets. The requirement is to be able to add budgets 40 years in advance for some the long contracts we sign up to. Are there any impacts to creating calendars 40 years in advance ?

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Version (include the version you are using, if applicable):

We are on Oracle R12.2

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