36. A public body may qualify contractors prior to entering into construction contracts if(1) the qualification of contractors is preceded by a public notice to that effect on the electronic tendering system indicating, with the necessary modifications, the information provided for in subparagraphs 1, 2 and 4 to 6.1 of the second paragraph of section 4, except the period for receiving qualification applications that may not be under 25 days following the date of publication of the public notice of qualification, the period of validity of the list of qualified contractors and the means used to renew or cancel it or, if the period of validity is not specified, an indication of the method used to inform all interested persons of the time as of which that list will no longer be used;
(2) a list of the qualified contractors is published on the electronic tendering system and every contractor is informed of entry on the list or the reason for refusal if entry is denied;
(3) a public notice of qualification is published again at least once a year inviting other contractors to qualify during the period of validity of the list;
(4) the public notice of qualification must remain accessible in the electronic tendering system for the entire period of validity of the list;
(5) a contractor may, at any time, apply for qualification, in which case the public body qualifies the contractor within a reasonable time.