4:11-6.Ā  Investigation of record of applicant or licensee
The secretary, or an assistant whom he may designate, may, either of his ownĀ  motion or upon the verified complaint of any interested person, investigate theĀ  record of any person applying for or holding a license, or his agents.

For the purpose of such investigation the secretary or assistant may examineĀ  the ledgers, books of account, memoranda or other documents of any such personĀ  and may take testimony thereon under oath, but information relating to theĀ  general business of any such person disclosed by the investigation and notĀ  related to the immediate purpose thereof shall be deemed of a confidentialĀ  nature by the secretary or assistant.