The Author underlines that the ratio of the Act n. 146/1990 is the bal-ance between constitutional ríghts potentially conflicting and the continuity with the previous decísions of the Corte Costituzionale. Particularly, he maintains that procedures intended at identifying the minimum services, which are to be guaranteed in case of strike in public fundamental services, are able to point out all the values and rights among which the balance has to be drawn. The Guarantee Commission id seen as the main agent of this process and the relationship between implementation and regulation is ana-lysed. Some incongruities of the Act are discussed and the need for a com-mon regulation aimed at strengthening the independence of Guarantee Au-thorities is stressed.