Gov. Jay Inslee Friday said business owners may adopt an honor system and may assume that any customer not wearing a mask has been fully vaccinated.

The Healthy Washington – Roadmap to Recovery emergency proclamation also adds new worker protections that safeguard employees who wish to get vaccinated, or who are in isolation or quarantine, from adverse action by their employer.

People in counties in Phase 3 who are fully vaccinated are not required to wear a mask inside or outside, except in health care settings, correctional facilities, homeless shelters, schools and public transportation.

The proclamation clarifies that business owners and local authorities have the option to require that customers wear a face covering, and that local authorities may not prohibit business owners from requiring that their customers wear a face covering.

The proclamation requires that employers must obtain proof of vaccination or obtain a self-attestation from employees before working without a mask. It further permits employers to continue to require that employees wear a face covering, regardless of vaccination status.

Inslee’s proclamation additions also agree with the CDC recommendation that employers provide flexible options for worker vaccinations.

“We call on Washington employers to remain vigilant in their promotion of employee vaccinations, and this proclamation will alleviate another barrier to vaccine access,” Inslee said in a news release from his office.