Debt collection — ORG GC GP BUYER, LLC (MI)

Attempted to collect wrong amount. I finally left GC Services holding my defaulted federal student loans. I asked and asked in email after email and letter mailed in after letter mailed in. When this happens starting 3 months ahead of the 9 month on the rehabilitation process. Who owns my debt then? When is this transfer done? Who do I pay and how do I pay then so I am not back in default for being late possibly yet having the money ready!? XXXX XXXX I exited defafult.Friday the XXXX I got my premium forwarded weekly package of mail I pay for from my apartment in XXXX XXXX, as I am in XXXX XXXX on business for work XXXX. I got a letter stating from the XXXX XXXX XXXX for XXXX XXXX XXXX, looks like what I was asking for. I see no website, no means to go online to verify anything o