This is not booking.com help team it is the forum and your description is very vague.
If you are talking about a minimum stay or something similar. In Rates, Calendar, use List view. On left hand side open up to see additional lines re Minimum stay and allowing check in for days. You can use the Bulk edit to update these. If you don't see the additional lines contact booking.com help team using Inbox icon on Extranet and ask them to open them up for you.
This is not booking.com help team it is the forum and your description is very vague.
If you are talking about a minimum stay or something similar. In Rates, Calendar, use List view. On left hand side open up to see additional lines re Minimum stay and allowing check in for days. You can use the Bulk edit to update these. If you don't see the additional lines contact booking.com help team using Inbox icon on Extranet and ask them to open them up for you.
https://partner.booking.com/en-us/help/where-you-can-reach-us