Letter of Acknowledgment for. Clark County Owned Electrical Service Modification.When writing an acknowledgement, make sure you use the very term 'acknowledgement' as the title. Use simple and professional language. Once the processing is complete, thank-you letters are forwarded to the appropriate signee. The Career Closet serves as a valuable resource designed to help Clark University students prepare for success in their professional endeavors. You may need to fill out and attach a separate Notary certificate if there is no room on the document for your Notary signature. The letter should capture the employer's attention, show why you are writing, indicate why your employment will benefit the company, and ask for an interview.