S.L. 601.3 · Public Procurement Regulations (S.L. 601.3)
S.L. 601.3 Art. 223Supplies requiring siting or installation work, services or works.
In procurement procedures for supplies requiring siting or installation work, services or works, the professional ability of economic operators to provide the service or to execute the installation or the work may be evaluated with regard to their skills, efficiency, experience and reliability.