The requirements for documents needed at check-in depend on the type of accommodation and the applicable regulations. For hotels and other accommodation facilities, a Russian passport, an international passport, or a driver’s license may be accepted. For apartments, serviced apartments, and other properties where check-in or contract conclusion is carried out according to the rules of a specific property, the required documents are determined by the property itself. Online check-in is available. Staying with pets is possible upon prior approval with details about the breed, size, and type of the animal. An additional fee is charged for accommodation with a pet, as well as an extra RUB 1000.00 added to the deposit. The deposit is refunded if all conditions are met. Smoking in the flat is prohibited. A fine of RUB 2000.00 applies for smoking, and RUB 500.00 for leaving garbage in the flat. The deposit amount is set for accommodation of 4 to 6 guests; for up to 3 guests the deposit is RUB 2000.00. The deposit is refunded on the day of check-out if house rules are observed. Payment of the deposit is made strictly via a link on the day of check-in. The remaining balance is paid by QR code.