How to get pricing date automatically when billing

Does anybody know where can I set,  to get pricing date automatically when billing? (BTY must by the Sales order type)?
Thanks you guy.

Hi check in t-code VOV8 and enter sales order document type you can see pricing date setting as well as you can change manually pricing date while billing creation of billing VF01.
Hope this will help you.
Best Regards
Sainath

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