The phrase "authorized supply" is correct and usable in written English.
It can be used in contexts where you are referring to goods or services that have been officially approved or sanctioned for distribution or use.
Example: "The company only sources its materials from authorized supply channels to ensure quality and compliance with regulations."
Alternatives: "approved supply" or "certified supply".
The regulations may, if the needs of the Department of Defense require it and it is otherwise authorized by law, authorize supplies to be sold to, or services to be rendered or work performed for, persons outside the Department of Defense.
Munn, managing director of Wartski, a London antique dealership with a "royal warrant of appointment" to Queen Elizabeth II and Prince Charles, meaning it is one of the few firms in England authorized to supply goods and service to the royal family, said tiaras were once meant as a way to signify a coming of age.
Authorized electric supply was available to over half of the population, but the scarcity of water compelled people to purchase it from vendors.
But the West has been reluctant to supply more advanced weapons, or to authorize their supply, because of the strong influence of more radical Islamist fighters in the opposition and the difficulty of ensuring that weapons go only to more moderate rebels.
The United States had authorized Israel to supply weapons to Iran, violating an international arms embargo, as a way to buy the freedom of American hostages being held by Iranian-backed groups in Lebanon.
In Europe, importers supply only authorized wholesalers or registered pharmacies; they do not sell to the public.
Major League Baseball has authorized 48 companies to supply bats and requires that bats be made of one piece of wood no more than two and three-quarter inches in diameter and 42 inches in length.
Congress authorized Washington to seize supplies needed for the army, but he was reluctant to use such authority, since it smacked of the tyranny the war was supposedly being fought over.
The United States has reacted by authorizing the direct supply of munitions to the Kurds and, with Baghdad's agreement, the shipment of some Foreign Military Sales (FMS) program weapons to the Kurds.
In this connection it should be noted that the production differential authorized for maintaining an adequate supply for fluid use during the lean winter months is not, strictly speaking, a handler cost but a general cost of the market.
