No Baha’i can believe in Baha’u’llah without accepting His Administrative Order

... let us make it quite clear that Baha’i Administration can never be divorced from Baha’u’llah’s other teachings. No Baha’i can believe in Baha’u’llah without accepting His Administrative Order, and working through it ...

(The New Garden: An Introduction to the Bahá'í Faith by Hushmand Fatheazam)

https://bahai-library.com/fatheazam_new_garden