The phrase "strictest states" refers to the states that have the most strict or stringent rules, laws, or regulations on a particular topic or issue. Full definition
And, of course, it is illegal to store many types of financial information without complying with strict state and federal laws. (law.stackexchange.com)
While teachers are already required to complete 100 hours of professional development annually, there will be stricter state guidelines for what constitutes professional development. (politico.com)
We wrote last week that whatever system the panel designs must meet strict state and federal accountability guidelines. (indianapublicmedia.org)