IN WITNESS WHEREOF, the parties hereto have signed this AGREEMENT on the date below indicated. CONTRACTOR. The SERVICE PROVIDER shall submit a formal written change request to the ACDHS Director and DEPARTMENT'S Deputy Director at least.This contract is for Stenographic Court Reporting and Transcription Services for Commonwealth Using Agencies. A witness signature refers to the signature of an individual who has observed the signing of a legal document and can attest to its authenticity. Notaries have responsibilities such as confirming identities, witnessing signatures, administering oaths, and certifying document copies. Any witness whose identity is not disclosed in the PreTrial Statement, or. (ii) any expert witness whose opinion have not been set forth in the. IN WITNESS WHEREOF, the parties hereto have signed this AGREEMENT on the date below indicated. FOR THE COUNTY OF ALLEGHENY: By: Willeen Delan. A witness signature refers to the signature of an individual who has observed the signing of a legal document and can attest to its authenticity.