Zakharova turned to a lawyer for advice

Zakharova turned to a lawyer for advice

Zakharova, Kuznetsov and Peresvetov turned to a lawyer for advice.
Zakharova, a full-time student at a technical university, the head of the plant’s personnel department refused to accept a job because she did not submit permission from the university rector.
Kuznetsov was denied employment due to the fact that he had already reached retirement age, received a pension, i.e. has a livelihood.
Peresvetov also received a denial of employment due to lack of Russian citizenship.
Are the actions of the head of the human resources department legal?
Give a detailed consultation: what documents the employer has the right to demand; Are there any age restrictions when applying for a job? Are there guarantees at the conclusion of an employment contract?

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