"found the rule" is correct and usable in written English.
You can use this phrase to describe when someone discovers a rule or law. For example, "She found the rule written in the contract."
If allowed to take effect, the judge found, the rule could lead to the firing of many thousands of legally authorized workers, resulting in "irreparable harm to innocent workers and employers".
The Congress found the rule of Mr. Haldeman & Mr. Erlichman-men holding positions not mentioned in the Constitution-barely tolerable when it thought they were exercising their power in accordance with Presidential instructions.
Lastly, the roads were a symbol of Rome's culture and sovereignty: wherever they were found, so too were found the rule of Rome's law and the protection of her armies.
We ultimately found the "rule".
Studies have found the rule contributes to unsafe abortions and actively harms AIDS relief efforts overseas.
Another analysis, from the Office of Surface Mining Reclamation and Enforcement, found the rule would have resulted in the annual loss of about 260 mining jobs, a negligible number compared to the 30,000 jobs the industry has lost since 2009.
A High Court ruling in July 2013 found the rules to be "onerous and unjustified", but the Home Office is appealing that finding.
Sometimes, she has found, the rules just seem silly.
I found the rules to be too strict.
She was sent to Pleasantville Cottage School in Westchester, where she found the rules stricter, the supervision closer.
We used to have a person who found the rules time consuming and difficult.
