Section 46A. Each bulk milk tank shall upon installation be calibrated and sealed by the director or his authorized representative. Reinstallation of a used bulk milk tank shall be considered as an original installation, provided it is for a new owner at other than the original premises. The deputy director shall prescribe rules governing the calibration and sealing of bulk milk tanks. The deputy director shall prepare the required interpolation charts for use in connection with such tanks, utilizing therefor a conversion figure of eight and six-tenths pounds per gallon of milk. A record of the inspection and calibration of all such tanks shall be kept by the deputy director. Whenever the recalibration of a bulk milk tank is requested, it shall be done by the deputy director and the party requesting the recalibration shall pay a fee therefor to be established and collected by the deputy director, but such fee shall not exceed fifteen dollars.