What's the difference between an AR account and an S account?

AR closing refers to special accounts receivable accounting. Professional AR closing refers to summarizing, calculating and recording the current amount and ending balance based on the reconciliation of all accounts receivable in a certain period.

S account is a kind of guest account status reflected in Neusoft hotel management front desk system. Refers to the room has been returned but the guest accounts are unclear, which is reflected in the front desk accounts.