How To Write A Letter Of Acknowledgement . In the subject line you should talk about what was acknowledged. For example, if an employee sends a resume or cv to apply for a job to an employer, then the employer. Acknowledgement Of Resignation Letter Templates at from www.allbusinesstemplates.com For example, if an employee sends a resume or cv to apply for a job to an employer, then the employer. If necessary, confirm receipt of the information or item. For example, “i was glad to receive.”.