For those in California, Assembly Bill 168 was passed in October, 2017, effective January 1, 2018. Section 432.3 was added to the Labor code, which includes:

For those in California, Assembly Bill 168 was passed in October, 2017, effective January 1, 2018. Section 432.3 was added to the Labor code, which includes: (c) An employer, upon reasonable request, shall provide the pay scale for a position to an applicant applying for employment. Source: https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB168 https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml... Disclaimer: I don't know if/how that provision may have changed since 2018.