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When charging a treatment Exact will check that the patients payor matches the payor for the treatment plan. If it discovers a mismatch it will show a dialogue which needs to be resolved before the charging is completed. <NEED PIC FOR DIALOGUE>
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If treatment needs to be updated before charging it can be done easily just right click menu on the Treatment Plan line, and choose the ‘Move Uncharged to new TP’ option. The treatment will be moved and the price recalculated if you choose that option.
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If there is no charged treatment in the plan, just double click on the using a the right click menu on 
the Treatment Plan line, and change the Payor in the dialogue.