Appendix B - Commonly Used Undefined Terms

Canadian Aviation Regulations (CARs) 2017-2

Term Meaning Example
may
  • permissive
  • usually no legal obligation to carry out the act in question
CARs, s.601.09(2)
shall
  • mandatory
  • no choice but to carry out the required act
CARs, s.402.16
should
  • suggestion
  • no legal obligation to carry out the act in question, but compliance is desirable
AWM, s.103
and
  • conjunction
  • all conditions to be satisfied
CARs, s.602.13(2)
or
  • disjunction
  • at least one condition to be satisfied
CARs, s.703.20(1)
means
  • indicates an exhaustive definition
CARs, s.602.04(1)
includes
  • indicates a qualifier or an example
CARs, s.602.11(1)
on
  • spatial: e.g., on the surface of...
  • relational: e.g., based on...
  • temporal: e.g., on a given date...
CARs, s.401.05(2)(b)
CARs, s.
CARs, s.501.03(1)
between
  • spatial: e.g., between the seats...
  • relational: e.g., communication between people...
  • temporal: e.g., the time between events...
CARs, s.602.116(6)
CARs, s.602.24
CARs, s.602.123
within
  • spatial: e.g., within the fence...
  • relational: e.g., within the guidelines...
  • temporal: e.g., within the allotted time...
CARs, s.601.13
CARs, s.
CARs, s.401.05(1)
deemed
  • treating as true for the law what may not be true in fact
CARs, s.602.14(1)
subject to
  • subordinate provision
CARs, s.401.06
in accordance with
  • in conformity with
  • as per
CARs, s.601.03
CARs, s.702.17(4)
adequate
  • sufficient, suitable to the occasion
CARs, s.
as soon as practicable
  • as soon as can be reasonably expected
CARs, s.602.76(2)
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