This term, a more Latinized synonym for ordenance or ordenement, is relatively rare in Anglo-Norman. The attestations from LibAlb are probably Latin (with vernacular words and phrases appearing in a Latin context).
s.
1rule, directive:
(
c.1270; MS: s.xiii4/4
)
Pur ceo est bele veirement La costume de indiene gent [...] del rei l'ordinatiun, [...] Ke le rei en l'an une feiz S'aparrait entre tute sa gent
605
♦lawmerch.decree or enactment made by a guild or municipality:
(
MS: 1419
)
Ordinatio dé bowiers et flecchers
735
(
MS: 1419
)
Ordinatio qe nulle gette en Thamise jonkes, estreim, robous, ne ordure
579
[ordenation] (c.1270)