In CRM Administrator Menu/Transactions Tab you can find Statuses Section where you can create statuses and adjust settings and rights to change statuses in transactions.
Status Name (En)
Status name on English.
Type in status name on default language.
Record date of status change
If checked this status change date records in Status Date field type (Transactions attributes section in CRM Administrator Menu/Transactions Tab).
Select groups which can change from different statuses to selected status.
Select groups which can change from this status to another.
Can edit in this status
If checked Transaction is editable in this status. If unchecked Transaction is read only.