binding

Specifies that the obligation is enforceable by law.

Specifies that the obligation is based on principles of right and wrong, rather than law.

Used for emphasis, meaning completely and without exception.

Used to state that an agreement, decision, etc., must be obeyed.

Used to describe the point at which an agreement, decision, etc., starts to be legally or morally enforceable.

Indicates who or what is affected by the obligation.

A more formal alternative to 'on', indicating who or what is affected by the obligation.