This agreement is made between the Fairfax Circuit Court Clerk's Office (hereafter "Clerk's Office") and. (hereafter "User"), having its principal place of.This document provides essential guidelines for developers to submit performance security related to land development projects in Fairfax County. How to fill out the Fairfax County Hold Harmless Agreement? 1. Enter the date and Owner's details at the top. 2. Mutual Agreement to Discontinue: If both parties decide to end the project due to changing circumstances or priorities. Engage a legal counsel.