A church or convention or association of churches, or an organization which is operated primarily for religious purposes and which is operated, supervised, controlled, or principally supported by a church or convention or association of churches shall inform each individual performing services exempt from "employment" under RCW 50.44.040(1) that the individual may not be eligible to receive unemployment benefits based on such services. The employer shall provide a written notice of this exclusion to the individual at the time of hire. The employer shall display a poster giving notice of this exclusion in a conspicuous place. The employer's compliance with these notice requirements shall not affect an individual's eligibility for benefits. The employment security department shall make posters available to employers without charge.