Advance of wages shall be subject to the following conditions, namely,
(1) Any advance of wages not already earned shall not, without the previous permission of the 4Assistant Commissioner of Labour having jurisdiction, exceed an amount equivalent to the wages earned by the employee during the preceding two calendar months, or if he has not been employed for that period, twice the wages, he is likely to earn during the subsequent calendar month.
(2) Any advance may be recovered in instalments by deductions from wages, spread over not more than "twelve months.
(3) No instalments by which an advance is repaid shall exceed one fourth or where the wages for any wage period are not more than twenty rupees, one fourth of the wages of any wage period in respect of which the deduction is made.
(4) The amounts of all advances and all repayments of such advances shall be entered in a Register of Advances in Form XII.