Yes, an employer must comply with the posting requirement in § 656.10(d) to file applications under Schedule A with the appropriate Department of Homeland Security office.
No, labor certifications for professional nurses and for physical therapists will not be considered under § 656.17.
Aliens of exceptional ability in the performing arts are now included in § 656.5, Schedule A, under Group II. Accordingly, such applications must be filed in duplicate with the appropriate office of the Department of Homeland Security. The documentation that must be filed in support of such applications is listed in § 656.15, Applications for labor certification for Schedule A occupations.