Social rights of slaves in the Book of A Thousand Judgement

The Book of A Thousand Judgement ( Mādayān ī hazār dādestān) is the main source of information of the Sassanid period, which also provides valuable material on the legal and social status of salves. The laws of this book shows that this collection was written for lawyers, because don't provide no explanation for legel terms.But book provide important and unique information from civil society of Sassanid era.
The main purpose of this article, review the sentences of slavery in the Book of A Thousand Judgement has been based on the analytical - historical method; The questions is this article: Has slavery been pre-Islamic in Iran? What are the laws for the slaves in this book of law? By examining the existing sentences, we found that slavery had existed in the Sassanid period in Iran; The issuance of sentences for legal matters of slaves expresses the protection and recognition of slave and slavery. Legislators have necessity the rights of slaves and
the support of the slave is the duty of every slavery