The terms shall and shall not
|“||indicate that the procurement language element in which these terms appear is to be strictly followed if the Acquirer and Supplier agree to adopt the language in their procurement contract.||”|
"The word shall is
|“||equivalent to 'is required to' and used to indicate mandatory requirements strictly to be followed to conform to the standard and from which no deviation is permitted."||”|
- ↑ Cybersecurity Procurement Language for Energy Delivery Systems, at 6.
- ↑ Catalog of Control Systems Security: Recommendations for Standards Developers (Apr. 2011 version), at 171.