To show the consistency of Al's principle of 10-80-10 I'll share a similar experience to what you are currently facing:
I got a phone call a couple of years back by an inspections agency that I do work with. They bid the bigger jobs, get the package and sub-contract any welding inspections to me. They specialize in other areas and can't afford their own full time CWI (good for me).
So, their question: Are you certified to AISC? I asked 'To what?' 'AISC. Specifically, do you have an AISC W3 certification?'
Now, I know AISC has programs for qualifying shops to differing work and codes, bridge, structural, etc. But, inspectors!! Never heard of it. Told them so.
So, I'm going through my AISC Construction Manual (360) like crazy trying to figure out what on earth they are talking about. Not finding anything. While I'm looking he calls back, 'AISC 341, W3.' Okay, now this is at least taking me somewhere. So I grab my SDM (Seismic Design Manual) from 2005 (remember this was back a bit). Find my way to Appendix 'W' and there at W3 is Personnel. W3.2 is for QA Inspectors and states that they must be WI or SWI as defined by AWS B5.1
So, I call them and say that's what I have. He says, 'no, you have AWS/CWI.' I said, 'Yes, but you have to read the applicable section that the engineers note takes you to and see that they want CWI's through the specs of B5.1 which are the specs and then you are tested to QC1 for the qualification of being a CWI.'
He couldn't get it. Asks me, 'so, can you get certified through them pretty soon? If not, we'll have to find someone else.'
Go ahead, find someone else.
Well, I did get the job. But it still took quite a meeting with me bringing in all my specification books and linking the whole chain of paragraphs so they could see that my CWI was exactly what the engineer wanted. And he did no one any favors by calling out the inspector qualifications like he did. And yet his request was accurate.
It's all in the wording in the Contract Documents and the applicable code.
He Is In Control, Have a Great Day, Brent