The phrase "alter rules" is correct and usable in written English.
You can use it when discussing changes or modifications to established guidelines or regulations.
Example: "The committee decided to alter rules regarding the submission deadlines to accommodate more participants."
Alternatives: "modify regulations" or "change guidelines".
The lawsuit claims the men persuaded regional Little League officials to alter rules governing how the Cheshire chapter president is elected.
They Hyperloop test track could be a way of incentivising Texas legislators to alter rules over direct sale to allow Tesla to sell cars in the state.
But commission officials said they would not alter rules that prevent the four majors -- ABC, CBS, Fox and NBC -- from acquiring one another.
Mr. Thurmond also wants to alter rules of evidence so that evidence gathered illegally but in "good faith" would not be excluded from criminal proceedings.
Aides to President-elect George W. Bush say they will be scrutinizing the many regulations being issued by President Clinton on his way out of office, and they might alter rules with which they disagree.
A1 Bush aides said they would scrutinize regulations being issued by President Clinton on his way out of office, and they said they might alter rules with which they disagreed.
The outcome studied also appeared to alter rule performance but the heterogeneity of rules and populations make this difficult to examine clearly.
One is altering rules in the Nuclear Suppliers Group, a consortium of more than 40 countries that controls export of nuclear technology.
The blogs and medical journals are filled with potential solutions — new helmets and altered rules, none of them promising a perfect resolution, but many plausible.
Chinese regulators altered rules to encourage institutional short selling and banned trading on over the counter or non-exchange-listed securities using leverage.
On Friday, the administration altered rules for identifying which passengers flying to the United States should face extra scrutiny at the gate.
