(a) In addition to the survey inspection required for licensing or for a license to remain in effect, the secretary may make other survey inspections during normal business hours.

(b) Each home health agency shall allow the secretary or the authorized representatives of the secretary to enter upon the premises of the home health agency during normal business hours for the purpose of conducting the survey inspection. Failure to allow such entry upon its premises shall constitute grounds for denial, suspension or revocation of a license.