This is the 12726th most frequent Russian word.
краевой
"Краевой" means "regional" or "pertaining to a krai (territorial division in Russia)."
Here, 'краевой' refers to the administrative 'krai', a territorial entity in Russia, highlighting its geographical placement within Siberia.
Красноярский край расположен в Сибири.
Krasnoyarsk Krai is located in Siberia.
In this sentence, 'краевой' is used as an adjective meaning 'regional', particularly in the context of events organized within a certain krai.
Спортсмены приняли участие в краевых соревнованиях.
Athletes participated in the regional competitions.
Here, 'краевой' modifies 'законодательство', indicating that the laws or regulations pertain to the administrative region identified as a krai.