Summary The letter talks about the service agreement termination decision which you have taken owing to delayed payments by your client. You tell him/her the reason for agreement termination, the date from which it is effective and lastly request him/her to clear up all his/her pending amount towards you. This is the professional way to realize them that their process of payment is affective your business. Through this letter you can convey the things in simple way. From: Mr John Volta Proprietor Unique Courier Co #14, 2 nd cross, Banashankari Bangalore-50 Phone: 26339404 15 th January, 2010 To: M/S First Insurance Pvt Ltd # 23, 2 nd main, Adugodi Bangalore-30 Phone: 26360414 Dear Sir/Madam, Sub: Termination of Courier Service Agreement. Ref: Our Service Agreement dated 20 th October, 2009. We are sorry to inform you that the above stated Service Agreement between us is decided to be truncated with effect from 31 st January 2010. Continuous delay and ...