§ 678. Commissioner's powers of investigation. The commissioner or his authorized representative shall have power: (a) to investigate the wages of persons employed on a farm; (b) to enter the place of business or employment of any employer for the purpose of (1) examining and inspecting any and all books, registers, payrolls and other records that in any way relate to or have a bearing upon the wages paid to, or the hours worked by any employee, (2) ascertaining whether the provisions of this article and the regulations promulgated hereunder are being complied with; and (c) to require from any employer full and correct statements and reports in writing of the records required by this article, at such times as the commissioner may deem necessary.