The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. Date: Maricopa County Human Services Department.Liquidated damages provided for elsewhere in the contract. A sample notification letter is provided in Appendix F. (Appendix F.9.7). This Staff Policy Manual ("SPM") contains employee policies ("policies") of the Maricopa. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). Be in the form of an addendum. Catalog Common Pages 2020-2021. Phoenix Supplements. Acknowledging Receipt.