'avails itself' is a perfectly acceptable usage in written English.
It is a phrase used to refer to something that is of use or assistance. For example, "The new program has availed itself to our customer service department, allowing them to work more efficiently."
"A religious organization does not give up any First Amendment rights because it avails itself of services available to anyone," Mr. Raum said.
Postmodern literature avails itself of most of the techniques introduced by modern literature, particularly self-consciousness of its own status as literature.
Creeping into the whelk shell of Louisa May Alcott's celebrated novel, it avails itself of the spirals to do double and triple twists inside them.
"We do not focus on any group," he said, "We just try to share with anybody and everybody, as the opportunity avails itself, the chance to know God through a relationship with Christ".
The other disturbing thing in the government's motion is the way it avails itself of the notion that judges should be particularly deferential to Congress in times of war.
Like the actor Tony Curtis, whom he apostrophizes in another chapter of this volume, and unlike Hitler (though Hitler, he notes, "told quite good jokes"), James is a natural master of the art form in which "serious delivery avails itself of comic timing".
In the real world, it is neither reasonable nor fair to require a political community not to avail itself of the most effective means available for resisting an aggressive invasion which threatens the lives and rights of its citizens.
Tesla has already availed itself of government loans aimed at promoting efficient vehicles.
"The state had unlimited resources to avail itself of medical experts.
The popular prosecution of the First Lady's character has availed itself of a similar latitude.
And GE Capital has also availed itself mightily of the government's Temporary Liquidity Guarantee Program.
