In particular, it requires compliance with the principles of professional independence, impartiality, objectivity, reliability, statistical confidentiality and cost effectiveness.
Ceanglaítear leis, go háirithe, comhlíonadh na bprionsabal maidir le neamhspleáchas gairmiúil, neamhchlaontacht, oibiachtúlacht, iontaofacht, rúndacht staidrimh agus éifeachtacht costais.