I apologize I have gotten so far behind on payments to my (company) account. I thank you for your patience to work with and to accept my proposed payment scheduled.
Thank you for your willingness to work with me. I commit to follow the schedule we agreed to....
Dear (recipient's name),
I apologize I have gotten so far behind on payments to my (company) account. I thank you for your patience to work with and to accept my proposed payment scheduled.
Thank you for your willingness to work with me. I commit to follow the schedule we agreed to.
Sincerely,
(your name)