What does "shall" indicate in legal terms regarding regulations?

In legal terms, the word "shall" indicates a mandatory requirement. This term is specifically used to convey that something is not optional; it must be done as stated in the regulation or law. When "shall" is used in legislation, it imposes an obligation on those to whom the regulation applies, meaning that compliance is not a matter of choice, but a legal duty.

For instance, if a regulation states that a school bus driver "shall" conduct a safety check before each route, it means the driver is required by law to perform this safety check. Failure to do so could result in legal consequences or penalties, as it is a stipulation that mandates action rather than suggesting or allowing for personal discretion. Other terms like "may" or "should" would indicate options or recommendations, but "shall" unequivocally enforces compliance.