As the COVID-19 delta variant continues to spread rapidly throughout the five boroughs, New York City is doing something no other major city in the U.S. is doing - an indoor vaccine mandate.

When you step out the door, make sure to bring your proof of vaccination along with other outdoor essentials. Mayor Bill de Blasio's indoor vaccine mandate goes into effect tomorrow, meaning indoor dining, indoor gyms, and indoor entertainment venues are now off limits to people who are not vaccinated. Under this new requirement, people must now show proof that received at least one dose of the vaccine.

This is part of Mayor de Blasio's Key to NYC plan to stop the spread. While the mandate begins tomorrow, it will not be fully enforced until Sept. 13 to give businesses the ability to figure out how to follow the new mandate. The mayor says the additional time should allow for a seamless transition.

Indoor establishments must now navigate how to go about ensuring customers are vaccinated. Boca Restaurant and Lounge on Webster Avenue has been preparing for the new mandate.

Mayor de Blasio says he has gone over these measures with the Department of Justice ensuring they are legal.