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Validation or substitution to throw error message when tax code changed

Former Member
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Dear Experts,

Somebody please throw some light on creating a substitution or validation to throw an error message or prevent a user to change tax code in MIRO for a PO.

In case it can be done, some clues are greatly appreciated.

Best Regards

Komal

Accepted Solutions (0)

Answers (1)

Answers (1)

former_member182098
Active Contributor
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Hello,

Please create a validation in GGB0 and assign the same in OB28

and

create substitution in GGB1 and assign the same in OBBH.

If there is any contradiction between these two, validation prevails.

Regards,

Ravi

Former Member
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Dear Ravi,

Thank for the reply. Can you tell me what are the parameters to be taken? How can I indicate the tax code as non editable? Kindly guide.

Regards

Komal