Guide to Enactment an Use of the UNCITRAL Model Law on International Commercial Conciliation,UN Doc. Sales No. E.03V.4, 2004, at 44

The possibility of such a "spillover" of information may discourage parties from actively trying to reach a settlement during conciliation proceedings, which would reduce the usefulness of conciliation (A/CN.9/WG.II/WP.108, para. 18). Thus, article 10 is designed to encourage frank and candid discussions in conciliation by prohibiting the use of information listed in paragraph 1 in any later proceedings.

Referring Principles
Trans-Lex Principle: XII.5 - Settlement privilege
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