Hadith.3462 - Aban narrated from Abu Maryam, from Abu Abdullah (as), who was asked about a man who made his bondwoman mudabbar (to be freed after his death).
Imam (as) was asked
"Can he have relations with her if he wishes, or marry her off, or sell her service during his lifetime?"
Imam (as) said: "Yes, he may do any of these if he wishes."