Foreign persons may not hold positions of the ship captain, captain's mate or chief mechanic.
"Article 25. Nationality of crew members
1. The ship crew, sailing under the State flag of the Republic of Kazakhstan, except for citizens of the Republic of Kazakhstan, may include foreigners and stateless persons.
Foreigners and stateless persons may not hold positions of the ship captain, captain's mate and chief mechanic. [...]" (Law On Merchant Shipping (No. 284 of 17 January 2002), as amended by Law No. 369-IV of 28.12.2010, Article 25 [unofficial translation])
Law On Merchant Shipping (No. 284 of 17 January 2002), as amended by Law No. 369-IV of 28.12.2010, Article 25
[<a href="https://adilet.zan.kz/rus/docs/Z020000284_">Law</a>]