235. Where a fine or a term of imprisonment may be imposed according to law for an offence, the fine shall be considered the minimum sentence.
Where the prescribed sentence is a fine of a fixed amount, it shall be considered the minimum sentence.
Where the prescribed sentence is a fine and no minimum amount is fixed, that amount shall be $50; where the maximum amount of the fine is less than $100, the minimum amount shall be equal to one-half of that maximum amount and, if it contains a fraction, it shall be rounded off to the next lower whole number.