I have a question about the intent of IPC-6012 class requirements.

Let's say we have a contractual requirement to design and fabricate PWBs to meet Class 3/A.

But during the design, we unknowingly document some attribute that does not meet 3/A on the PWB drawing (which I call "3/A minus").  An example would be copper thickness in the hole being less than .0015"

Then later I discover that 3/A requirements are more stringent than our design is documented to have.

Is this a problem or does AABUS cover our error?

I would have thought that we are not in compliance with the letter of the contract.

Any comments would be appreciated.
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