R12: Invoices Entry not displaying correct tax

In MOS articles that have titles which say it all "R12: Invoices Entry form (APXINWKB): Tax Amount in General tab does not display inclusive tax for a non-validated invoice" from note ID 1615808.1 really takes the cake.  Of course the article does have step by step instructions for how to replicate the issue and what patches are needed for EBS 12.0 or 12.1 code lines so you need to check this out to make sure your business will not be affected by this problem!