Having a work record book is mandatory;

[sumaiyakhatun24]

SNILS. The employer must issue it if a foreigner is hired for the first time;
a medical insurance policy valid on the territory of the Russian Federation (for foreigners with temporary residence in the country). There are cases when the employer already has an agreement with a medical organization, which states that all services to the employee will be provided for an additional fee. Then there is no point in getting an insurance policy; morocco mobile database
a document on education, qualifications or special knowledge - when applying for a job that requires special knowledge or special training.
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Everyone working in Russia must have an individual taxpayer number. There are no exceptions for foreigners. Citizens of other countries are allowed to do this even after the employment contract has been signed. The employer is not obliged to insist on its immediate presentation, as this does not affect the tax deduction.