noun
business permit; business license
Official document or certificate issued by a government authority allowing a business to operate legally.
飲食店を開くには、保健所から営業許可証をもらわなければならない。
To open a restaurant, you must obtain a business permit from the public health center.
Compound of 営業 (business, operations) + 許可 (permission, approval) + 証 (certificate, proof).