olemus
nõudestik, mis on kehtestatud reguleerimisega
(õigusaktide, reeglite, eeskirjade vms-ga)

Merriam-Webster:
authoritative rule(s) dealing with details or procedures

Safeopedia:
legal norms that are laid out in writing by regulatory bodies in order to prescribe certain types of conduct

näiteid
school regulations -- koolikord

vt ka
- kord (1)