Business Owners No trespassing signs, and what to do if OSHA & State Agents visit your business. Download Below: Business owners can stay openKey points for business ownersPreparation for agency visitsClarification of OSHA Policy Letter 2007OSHA Fact SheetLetter to OfficialsEnforcing your rightsNotice of TrespassingNotice of InquirySample: Affidavit Private Membership Associations- Learn More Click Here