During periods of restricted visibility, shipmasters are recommended to keep a proper lookout and navigate with caution.
They are also advised to comply with the International Regulations for Preventing Collisions at Sea and in particular Rule No. 19, Rule No. 20 and Rule 35 regarding conduct of vessels in restricted visibility, exhibition of navigation lights and sound signals in restricted visibility, respectively.
The following table provides an overview of guidelines for employers on protecting employees from the effects of haze: