N.C. Gen. Stat. § 90-117.4
The president of the North Carolina State Board of Examiners in Optometry, and/or the secretary-treasurer of said Board, shall have the power to administer oaths, issue subpoenas requiring the attendance of persons and the production of papers and records before said Board in any hearing, investigation or proceeding conducted by it. The sheriff or other proper official of any county of the State shall serve the process issued by said president or secretary-treasurer of said Board pursuant to its requirements and in the same manner as process issued by any court of record. The said Board shall pay for the service of all process, such fees as are provided by law for the service of like process in other cases.
Any person who shall neglect or refuse to obey any subpoena requiring him to attend and testify before said Board or to produce books, records or documents shall be guilty of a Class 1 misdemeanor.
The Board shall have the power, upon the production of any papers, records or data, to authorize certified copies thereof to be substituted in the permanent record of the matter in which such books, records or data shall have been introduced in evidence.
N.C. Gen. Stat. § 90-117.4