(a) Each registered surveying firm shall notify the board in writing not later than 30 days after a change in the business entity's:(1) physical or mailing address, electronic mail address, telephone or facsimile number or other contact information;(2) officers or directors;(3) employment status of the professional surveyors of the firm;(4) operation including dissolution of the firm or if the firm no longer offers to provide or is not providing surveying services to the public in Texas; or(5) operation including addition or dissolution of branch and/or subsidiary offices.(b) Notice shall include, as applicable, the:(1) full legal trade or business name of the entity;(2) the firm registration number;(3) telephone number of the business office;(4) name and license number of the license holder employed or leaving the entity;(5) description of the change; and(6) effective date of this change.