The phrase "authorized to strike" is correct and usable in written English.
It can be used in contexts where someone has been given permission or the legal right to initiate a strike, often in labor relations or negotiations.
Example: "The union leaders announced that they are authorized to strike if their demands are not met by the deadline."
Alternatives: "empowered to strike" or "permitted to strike".
"Clearly no one benefits from the store being closed — not the management; not our associates, even if their union has authorized them to strike; and most of all, not our loyal customers," Ms. Keating said.
Mr. Daschle said his view was that the president should be authorized to launch a strike unilaterally only after all efforts to work through the United Nations had been exhausted.
One photo showed him with his top generals authorizing plans to strike major American cities with missiles.
The official spoke on the condition of anonymity because he was not authorized to speak publicly on the strike.
A majority of the hospital's 200 doctors have authorized the union to strike.
The Pakistani cabinet's defense committee on Tuesday night authorized Pakistani negotiators to strike a deal, although details still needed to be resolved.
Several major labor groups, including local units of the International Longshore and Warehouse Union, which represents port workers, have voiced support for the Occupy Oakland protests and the strike, though union officials have not authorized union members to strike.
DOMESTIC VIOLENCE To hell with the Violence Against Women Act, when the Quran authorizes you to strike a disobedient wife, as illustrated in Chapter 4, Verse 34.
In recent years the union has had to vote to authorize strikes to compel PASSHE administrators to endorse fair contracts.
The UN approval process was later somewhat streamlined when UN Secretary-General Boutros Boutros-Ghali Boutros-Ghali authority to authorize air strikes to his special representative in Bosnia, Yasushi Akashi.
