AP invoice approval rules conflicting resulting in multple approval rule call

Hi Team,

We are defining new AP invoice approval rule , where :ifNon-PO line is added to PO matched invoice, it will go for approval.

We already have existing 3 rules for PO matched invoice, which are getting called along with above new rule defined above.

Expectation is to call only new rule 'Non-PO line is added to PO matched invoice' - how to not call other 3 existing rule?

We have set priority to highest for new rule but still other rules are getting called. Any help here is highly appreciated.

Regards,

Kalpesh