perustusperiaatteen
Perustusperiaatteen, or perustusperiaatteet, refers to the fundamental principles that guide a constitutional order. In Finnish law, it denotes a framework rather than a single provision, encompassing norms that shape how laws are made, applied, and evaluated. The concept emerges from the Constitution (perustuslaki) itself as well as from constitutional doctrine and case law.
These principles cover core aspects such as the rule of law (oikeusvaltioperiaate), equality before the law
The perustusperiaate functions as an interpretive and control tool. It informs how statutes are read and how
Origin and status-wise, perustusperiaatteen is a non-codified, non-exhaustive set of norms recognized in doctrine and jurisprudence.