To obtain a visa of the Republic of Kazakhstan foreign citizens must provide the following:
1. Application form.
2. The passport.
3. 1 photo in the size 3,5х4,5.
4. Copy of the invitation (for a private visa B10 - the original invitation issued by the Migration Service of the Republic of Kazakhstan).
5. Original receipt for payment of the consular fee.
Depending on the visa category, additional confirmatory documents may be required.
http://mfa.gov.kz/en/content-view/kazakstan-respublikasynda-elektrondyk-vizany-engizu-zninde-akparat