Section 537.110 - Contract clauses(a)Contracts for building services. Except for solicitations and contracts for building services placed under FAR subpart 8.7, insert the clause at 552.237-71, Qualifications of Employees, in solicitations and contracts for building services that are anticipated to exceed the simplified acquisition threshold.(b)Contracts for guard services. Insert the clause at 552.237-72, Prohibition Regarding "Quasi-Military Armed Forces," in solicitations and contracts for guard services. 86 FR 55521 , Oct. 6, 2021 81 FR 1532 , 1/13/2016; 86 FR 55521 , 11/5/2021