Federal Act
on Public Procurement
(PPA)

¹ Dur­ing the award pro­ced­ure and the ex­e­cu­tion of the con­tract to sup­ply the goods, work or ser­vices, the con­tract­ing au­thor­ity shall en­sure that the ten­der­er and its sub­con­tract­ors ful­fil the par­ti­cip­a­tion con­di­tions, par­tic­u­larly the re­quire­ments set out in Art­icle 12, have paid the taxes and so­cial se­cur­ity con­tri­bu­tions due and re­frain from en­ter­ing in­to any un­law­ful agree­ments af­fect­ing com­pet­i­tion.

² It may re­quire the ten­der­er to provide evid­ence of com­pli­ance with the par­ti­cip­a­tion con­di­tions, spe­cific­ally by means of a self-de­clar­a­tion or in­clu­sion on a list.

³ It states what evid­ence must be sub­mit­ted and when in the in­vit­a­tion to tender or in the tender doc­u­ment­a­tion.