It's been nice seeing the pay range for remote jobs added to postings, even if they claim the range is only valid in Colorado. Even if pay is somewhat different

It's been nice seeing the pay range for remote jobs added to postings, even if they claim the range is only valid in Colorado. Even if pay is somewhat different elsewhere (it probably shouldn't be for remote), at least you know if you're in a Major League ballpark or the local YMCA dirt lot. I did recently see a job posting by IBM that stated that Colorado applicants could email a particular email address, attesting that they're a Colorado resident who plans to apply for a particular position, and then they'd reply back with the range. Wondering if that attempt at information hiding complies with Colorado law or not. If more states add this requirement, workarounds for companies to hide the data will become cumbersome.