What UN resolution(s) state(s) that a prisoner exchange should occur between Israel and Lebanon?

Question

I am looking for direct quotations from internationally accepted documents that state Israel is required to return Lebanese prisoners. Please no opinions or comments on the current situation. I am just looking for (a) quotation(s) or refrence to international agreements. Further clarification: I am talking about UN resolutions in relation to 1559 or earlier.

Answer 1

Looked. Couldn't find one about prisoner exchange.