Payment Plan letter Needed A.S.A.P

Good day

I have not been working for the past year and my account has gone on an overdue state. Now I have found a job and my employer is requesting that I get a a payment arrangement written by the creditor/collector so that the(Employer) can have the confirmation that I will be settling my debt since I will be working in a financial department.

For now where I have found a job ,I have not been granted access to the company's system till they get letters that I have made arrangements to pay back the money.The employers policy does not allow them to hire people whose credit are not sitted right.I cant continue .I cannot work till that letter comes in.Meaning without this job I wont be able to pay back the debt I am owing.

I have sent emails,I have made calls and no assistance. What does one need to do in order to get assistance?

Account number: ********** ********** 91230

Kind regards, Zizipho Twala