10. Every person who omits, within the delay provided for in section 5 or 6, to report and remit the taxes which he has collected or should have collected or paid, incurs a penalty of five per cent of the said taxes or, if such percentage is a sum less than ten dollars, a penalty of ten dollars in addition to such taxes and interest.
The penalty provided for in the first paragraph is again incurred on the sixteenth day of each month following the date when payment of the first penalty became exigible. However, the total amount of such penalties relating to the same omission shall not exceed five times that of the first penalty.