Regarding the establishment of "National Assemblies", it is of vital importance that in every country, where the conditions are favourable and the number of the friends has grown and reached a considerable size, such as America, Great Britain and Germany, that a "National Spiritual Assembly" be immediately established, representative of the friends throughout that country.
Its immediate purpose is to stimulate, unify and co-ordinate, by frequent personal consultations, the manifold activities of the friends as well as the local Assemblies; and by keeping in close and constant touch with the Holy Land, initiate measures, and direct in general the affairs of the Cause in that country. It serves also another purpose, no less essential than the first, as in the course of time it shall evolve into the National House of Justice (referred to in 'Abdu'l-Bahá's Will as the "secondary House of Justice"), which according to the explicit text of the Testament will have, in conjunction with the other National Assemblies throughout the Bahá'í world, to elect directly the members of the International House of Justice, that Supreme Council that will guide, organize and unify the affairs of the Movement throughout the world.
It is expressly recorded in 'Abdu'l-Bahá's Writings that these National Assemblies must be indirectly elected by the friends; that is, the friends in every country must elect a certain number of delegates, who in their turn will elect from among all the friends in that country the members of the National Spiritual Assembly....
This National Spiritual Assembly, which pending the establishment of the Universal House of Justice will have to be re-elected once a year, obviously assumes grave responsibilities, for it has to exercise full authority over all the local Assemblies in its province, and will have to direct the activities of the friends, guard vigilantly the Cause of God, and control and supervise the affairs of the Movement in general.
With it too rests the decision whether a certain point at issue is strictly local in its nature, and should be reserved for the consideration and decision of the local Assembly, or whether it should fall under its own province and be regarded as a matter which ought to receive its special attention. The National Spiritual Assembly will also decide upon such matters which in its opinion should be referred to the Holy Land for consultation and decision.
- Shoghi Effendi (From a letter dated 12 March 1923 written by Shoghi Effendi to the National Spiritual Assemblies of the Bahá'ís of America, Australasia, France, Germany, British Isles, Italy, Japan and Switzerland, published in ‘Bahá'í Administration: Selected Messages 1922-1932’; The Compilation of Compilations, Vol. II, National Spiritual Assembly)
- Shoghi Effendi (From a letter dated 12 March 1923 written by Shoghi Effendi to the National Spiritual Assemblies of the Bahá'ís of America, Australasia, France, Germany, British Isles, Italy, Japan and Switzerland, published in ‘Bahá'í Administration: Selected Messages 1922-1932’; The Compilation of Compilations, Vol. II, National Spiritual Assembly)