Relevant legal regulations (links) for the CLIENT | :

3.2.3. Choosing the contractor

LAP, art.78, RAP, art.74-78_Publicity;
LAP, art.81_Contracting board,
RAP art.79_Contracting board;
LAP, art.82-84_Awarding for lowest price;
RAP art.85-87_Awarding for lowest price;
LAP, art.85-90_Awarding for multiple criteria;
RAP, art.88-90_Awarding for multiple criteria;
LAP, art.91_Restricted procedure;
RAP, art.91-92_Restricted procedure;
LAP, art.92_Competitive dialogue and negotiated procedures,
RAP, art.91-93_Competitive dialogue and negotiated procedures;
EU018, art.28-31_Contract procedures;
EU018, art.41_Informing tenderes;
EU018, art.42_Communication;
EU018, art.43_Reports;
EU018, art.44_Verification of suitability of participants;
EU018, art.45-50_Criteria for qualitative selection;
EU018, art.53_Contract award criteria;
EU018, art.55_Abnormally low tenders