6. In addition to the writings referred to in section 4, the Director of Re-engineering and Informational Resources is authorized to sign, in connection with all the department’s activities,(1) services contracts entered into with natural persons, contracts for professional services, all calls for tenders, contracts for auxiliary services, supply contracts (local orders, requisitions for goods and delivery), contracts for the leasing of property, related to information technologies for less than $50,000;
(2) services contracts related to telecommunications services for less than $50,000; and
(3) contracts for the repair of machinery and equipment related to information technologies for less than $50,000.