"practice rules" is correct and usable in written English.
You can use it to refer to guidelines that people are expected to follow while engaging in an activity. For example, "The coach laid out all of the practice rules for the team before the start of the season."
Legislators are pondering minimum requirements for medical practice, rules of professional ethics and standards for quality of care.
Health policy experts say that unless payment and practice rules are changed, the financial squeeze on primary care doctors threatens to produce a crisis for patient care.
It therefore decided that the two posters broke the committee of advertising practice rules and must not appear again in their current form.
Who? "About every three months and without warning or preparation we'd be taken to the basement for a test; 'best practice' rules and skills.
In reality, however, "best practice" rules in many member countries have required that, for example, a French pension fund matches its assets against its liabilities.
The Americans, who have won a record 17 Fed Cup championships, lost to Austria after the team captain Billie Jean King dismissed Jennifer Capriati in a dispute over practice rules.
Do the teams with byes have to adhere to a limited practice rule as in the regular season?
However, in the case of an extended period of zero activity and deployment from 450 km, the CubeSat lifetime will exceed the 25 year best practice rule.
FINRA has repeatedly stated that its higher standard, including Rule 2110 (known as the "Fair Practice Rule"), requires that members observe "high standards of commercial honor and just and equitable practices of trade".
And manufacturing-practice rules require them to make sure their products contain only the ingredients listed on the labels, with no hidden substances.
In 1962, before The Transcript was founded, the Securities and Exchange Commission temporarily suspended his registration as a broker for violating fair-practice rules.
