…when a non-Bahá'í does appear at a Feast he should not be
asked to leave; rather the Assembly should omit the consultative part of the
Feast, and the non-Bahá'í should be made welcome.
- The Universal House of
Justice (From a letter dated 24 March 1970 to an individual believer; The
Compilation of Compilations, vol. I, The Nineteen Day Feast)