Set your team up for success with the right agreement process. Find our examples of agreements, templates, tips, key elements, and more.What type of agency agreements exist? An agency may be described as exclusive, non-exclusive or sole. OF CLARK (hereinafter called the "Employer") and the CLARK POLICEMEN'S. Learn what a letter of agreement is and how to write one, including a template and example to help you get started crafting your own. 18 For the contract to bind either party, both must have assumed some legal obligations.