August 9

…it should be remembered that, as Shoghi Effendi has explained (see The World Order of Bahá’u’lláh, page 148), Bahá’u’lláh has deliberately left gaps in the body of His legislative ordinances, to be filled in due course by the Universal House of Justice. 
- The Universal House of Justice  (From a letter dated April 28, 1974 to an individual believer; ‘Messages from the Universal House of Justice 1963-1986’)