Section 1845.503-70 - Delegations of property administration and plant clearance(e) Under the clause at 1852.245-71, Installation-Accountable Government Property, property is managed by center logistics functions using NASA internal policy and procedural guidance, except-(1) When contractors are provided or are allowed the use of property that is not governed by that procedural guidance, management of that property is governed by the applicable FAR clause.(2) When the contractor is responsible for performance of any segment of a property system under a FAR property clause, then property administration and plant clearance are required.