Provides that proof of installation of an ignition interlock device shall not be required if the applicant provides a declaration pursuant to RCW 9A.72.085 to the department from his or her employer stating: (a) that the applicant is employed; (b) that the applicant's employment requires him or her to operate a commercial motor vehicle; (c) the normal business hours during which the applicant is required to operate the commercial motor vehicle, not to exceed twelve hours per day; (d) that the commercial motor vehicle to be operated is owned by the employer; and (e) that the applicant will operate the commercial motor vehicle only under supervision.