The Unified Business Identifier number, or UBI, is a nine-digit number used by the state of Washington to identify businesses there to local agencies. Businesses in Washington state use a Unified Business Identifier number for filing, taxes and identification with state agencies, according the Washington Secretary of State website.
Definition of preliminary for English Language Learners. : something that comes first in order to prepare for or introduce the main part of something else.
Full Definition of FUNDAMENTAL. 1. b: serving as a basis supporting existence or determining essential structure or function: basic. 2. b: adhering to fundamentalism. 3. : of, relating to, or produced by the lowest component of a complex vibration. 4.