Question

The rules for the Buddhist sangha are written down in the

Answer 1

Guru granth sahib or vinaya pitaka
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Answer 2

The rules for the Buddhist sangha or monastic community are written in Vinaya Pitaka-The Basket of Discipline.

The Vinaya Pitaka along with Sutta Pitaka and Abidhamma Pitaka were the oldest Buddhist scriptures. The Vinaya Pitaka contains the detailed rules for the Buddhist monks and nuns. These rules were laid down to create harmony and discipline among monks and nuns as well.