Nouns

(n)requisitionthe act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use
(n)requisition, requisition forman official form on which a request is made“first you have to fill out the requisition”
(n)sequestration, requisitionseizing property that belongs to someone else and holding it until profits pay the demand for which it was seized

Verbs

(v)requisitionmake a formal request for official services
(v)requisitiondemand and take for use or service, especially by military or public authority for public service