• Photos must be matt-finish (not glossy), in order for the embassy/consulate stamp to adhere properly! The usual size required is 3 x 4 cm, or 1.5 x 2 inches.• The passport should be valid for at least 6 months after the expiry date of your Russian visa!• Some embassies/consulates require a photocopy of the details pages of your passport in addition to the original, together with the personal data of the bearer (including amendments, passport validity extension, changes of name, etc.)• Visa application forms for US citizens and non-US citizens are different.• Citizens of Schengen countries must send a ‘card of insurance’ with their visa application.• For some types of visas, and for citizens of some countries, embassies/consulates may demand additional documents, such as evidence of medical insurance, an employment or residence permit, or evidence of sufficient funds for your stay in Russia. Failure to provide the correct information could lead to the refusal of your visa.