The California-based burger chain plans to ban face masks on employees in five of the seven states in which it operates, citing the importance of staff "smiles" for customers. News.

The In-N-Out Burger chain will bar employees in five states from wearing masks unless they have a doctor’s note, according to internal company emails leaked on social media.

The In-N-Out Burger chain will bar employees in five states from wearing masks unless they have a doctor’s note, according to internal company emails leaked on social media.

The policy, which goes into effect Aug. 14, applies to all In-N-Out employees in those states, except for those who need to wear masks or other protective gear for job duties that require it, like ...