This is in regard to your correspondence concerning your student loan. As your student loan defaulted and is now being held by CSAC, you will need to contact CSAC with all loan documentation/information requests. CSAC can be reached at... IF you have any questions call the number above. I am happy because this type of letter worked with the Citibank loan I had. IT ONLY WORKED WITH EXPERIAN AND TRANS UNION. So if the current disputes don't work, then I will follow up immediately with this extra bit of documentation. Oh and the letter is dated 2/7 but the postage of the envelope says 2/12 two days after I sent my letter out. And btw, CSAC rehabilitated my loan and all that good stuff.