act
appointment
arrangement
bill
brevet
bull
bylaw
cannon
canon
ceremonial
ceremony
code
commandment
convention
declaration
decree
decree-law
decreement
decretal
decretum
destiny
dictate
dictation
dictum
diktat
duty
edict
edictum
enactment
fiat
form
form of worship
formality
formula
formulary
function
general principle
golden rule
guideline
guiding principle
holy rite
imperative
institution
ipse dixit
jus
law
legislative act
statute
charter
constitution
covenant
injunction
legislation
mandate
obligation
observance
precept
proclamation
prohibition
regulation
rite
sacrament
sanction
treaty
vow