David-Paul Sip
Demand
PEREMPTORY (here's that word again :D ) allegation or assertion of a legal right.
A demand is an emphatic claim, which presumes that no doubt exists regarding its legal force and effect. It is a request made with authority.
A money demand is a demand for a fixed sum of money that arises out of an agreement or contract. Commercial Paper is frequently payable on demand or immediately upon request.
A legal demand is one that is made by a lawfully authorized individual and is proper as to form, time, and place. http://legal-dictionary.thefreedictionary.com/demand