The phrase "approved it at" is correct and usable in written English.
You can use it when referring to the time or place where something was approved, often in formal or business contexts.
Example: "The committee approved it at the last meeting held on Friday."
Alternatives: "authorized it during" or "ratified it at".
According to Mr. Thakran, the post of chairman was created after all members approved it at the boxing group's annual general meeting.
She spoke at a confidential White House briefing on Nafta in November 1993, days before Congress approved it at the strong urging of Mr. Clinton.
Dr. Wright was an outside participant on the five-member committee that approved it at the University of Massachusetts at Amherst.
They were among four states with same-sex-marriage referendums this Election Day, and if official projections are correct, they just approved it at the ballot box, where it had never succeeded before.
His legal staff came up with a new proposal to reflect the length of time the money was invested, and the commissioners approved it at the end of the year.
EU finance ministers voted for it in May, the Council of Ministers formally approved it at the end of last month, and now the draft is returning to the European Parliament for a second reading.
In January 2013, the U.S. Interior Department nominated Poverty Point to UNESCO, and the U.N. agency approved it as site number 1,001 at a convention in Doha, Qatar on June 22 of this year.
The change will become effective if shareholders of Philip Morris approve it at the annual meeting on April 25 , 2002
This transaction is so large that Berkeley shareholders will have to approve it at the annual meeting in September.
Baseball then used its power under the labor agreement to enact the change unilaterally after approving it at the owners' meetings this month.
The executive council approved Moreno's $182 million purchase of the Anaheim Angels, clearing the way for the owners to approve it at their meeting today at the commissioner's office in Manhattan.
