"policy backing" is correct and usable in written English.
You can use it to describe the support a policy or idea has from a group or organization. For example, "The new health care plan had strong policy backing from labor unions."
"But we had a good 40 years of U.S. policy backing regimes that the people in the street overthrew".
He will serve as an insurance policy, backing up Toney Douglas and Mike Bibby at point guard.
"These documents show the deep and long-term foreign policy backing provided by the British government to Shell in its efforts to break into Libya.
Britain has vast untapped coal reserves and there are potential new prospects if investment and government policy backing can be secured, as can be seen with new mining projects in Wales and Yorkshire.
She said Musharraf had "tried very hard to rid Pakistan of the kind of extremism that frankly, three or four years ago threatened to make Pakistan a state that was a supporter of terrorism". Musharraf broke a longstanding policy backing the Afghan Taliban regime in late 2001 and has cooperated closely with U.S. anti-terrorist efforts since then.
This study found that the special educational needs that are provided in inclusive setting have policy backing.
"The 1980s, they're now calling to ask for their foreign policy back," the president said.
But he said going forward, he would change the policy back.
As the economy recovers, the Fed must bring policy back to normal.
At least until Tuesday afternoon, when both Google+ and YouTube abruptly rolled the policy back.
"The 1980s, they're now calling to ask for their foreign policy back," he said at their last debate.
