5 CFR §532.217

1. (a)A lead agency shall survey the following required jobs:
2. (b)A lead agency may not omit a required survey job from a regular schedule wage survey.
3. (c)A lead agency may survey the following jobs on an optional basis:
4. (d)A lead agency may add the following survey jobs to the survey when the Hospital industry is included in the survey:
5. (e)A lead agency must obtain prior approval of OPM to add a job not authorized under paragraph (a), (c), or (d) of this section.