Mipham Rinpoche: {gzugs med 'phags pa la rang sa na 'byung ba med pa'i sdom pa mngon gyur med kyang sngar 'byung khams kyi zag med sdom pa gtong rgyu ma byung bas gzugs med du skyes pa la yang ldan par 'dod do} Noble beings in the formless realms have no physical elements within their respective states and, therefore, possess no visible vows. However, it is claimed that those born in the formless realms still possess [these vows], since there is no reason why their former undefiling vows - which occurred in their [previous] realm - should be considered abandoned.