Is there any requirement for checking in when booking a hotel with Global Black Card?

All hotels whose check-in price is lower than the retail price need to be booked before check-in. Check-out time is usually noon the next day 12. Check-in before 7: 00 a.m. is counted as check-in the previous day. 12 check-out. In principle, the check-in time is after noon 12, but if there is a room available at the front desk (the person who checked in the previous day has already checked out), you can check in after 7: 00-12. If a five-star hotel includes a single breakfast, in principle, only one person is allowed to stay, so you should go to the front desk alone; You need to show your ID card and pay a deposit to stay in any hotel. The deposit is stipulated by the front desk and will be refunded after check-out. If you order a black card, it will be kept until the latest time required by the hotel. If you can't arrive in time, the hotel will ask you to guarantee or pay in advance, otherwise it will not be kept.