I saw the definiton of apply on cambridge dictionary and I saw two example sentences under more exapmles section of the second definition that defines the verb as intransitive:
apply (definition) [I]: (especially of rules or laws) to have a connection or be important
(example 1) The legislation must be applied irrespective of someone's ethnic origins.
(example 2) It is intended that these guidelines should be applied flexibly and pragmatically.
I am a bit confused with the examples. Can we use intransitive verbs as passive?