Man that just stinks to high heaven! I don't understand why anything that goes on a piece of paper would take 6 weeks. I say throw the tears on when you call, sometimes that helps get a fire under peoples butts.
I mean really if they want a letter saying an agency is accreditted that is just incredably dumb you can go right to the gov web site and see which agencies are accredited.
Don't give up honey, really adoption is not easy, I remember when we first started and I just cried and cried thinking this way will never work but there are plenty of successful stories out there we just have to remain committed.