Determin sheet name and don't do the following steps

Hi,

I'm having problems with this part of the code...what I'm trying to do is check if the active sheet name is"Izdaja" or "Certifikati" if its true then don't do the following steps if it's not true then do the following steps.
This code works:

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But I don't get it what this doesn't work...what am I doing worng here?

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Could someone please help me out with this

Hi davesexcel,

The "Not" spelling was incorrect here but it was ok in the code haha...was typing the "not" here

Thank you for your suggestion about using "and" insted of "or".
This code now works as expected!

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Thank you very much for your help!

BR, Denis