The phrase "adopted a code of conduct" is correct and usable in written English.
You can use it when referring to the formal acceptance or implementation of a set of guidelines or principles that govern behavior within an organization or group.
Example: "After much discussion, the committee adopted a code of conduct to ensure all members adhere to the same ethical standards."
Alternatives: "established a code of conduct" or "implemented a code of conduct".
And the industry's main trade group, the American Apparel Manufacturers Association, has also adopted a code of conduct.
He also adopted a code of conduct, a rarity for revolutionary armies and indeed for regular armies in Africa.
Chief Justice Earl Warren belonged to the club beginning in the 1940s, before he joined the court and long before the federal judiciary adopted a code of conduct.
To deal with this problem, West African nations met in Cameroon in late June and adopted a code of conduct for dealing with piracy.
Five days after improper behavior cost Bob Knight his job after 29 years as head basketball coach, Indiana University's trustees adopted a code of conduct yesterday that requires coaches and athletes to treat others with dignity and respect.
Nigeria has adopted a code of conduct which is designed to make player bonus rows a things of the past.
The assault led to the Mayor of Cologne proposing women adopt a "code of conduct" in future to prevent assault.
We should also discuss the wisdom of adopting a code of conduct regarding the export of technologies for censoring the Internet and tracking Web users.
Richard A. Norling, chairman of Premier, said the company had solved its problems by adopting a code of conduct and hiring an ethicist to advise its executives.
Additionally, they would have to adopt a "code of conduct" for scientists working with dangerous germs, and enforce "strict biosafety procedures" for all germ research.
Though neither Citibank nor the universities admitted to any wrongdoing, they all agreed to adopt a code of conduct governing relations between student lenders and academic institutions.
