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.
What is a Preliminary Notice? A Preliminary Notice is a construction notice that subcontractors or material suppliers must file at the start of a construction job in order to secure their right to later file a Mechanics Lien â and so to ensure that they are paid for their work.