Provided alsoe that this Act shall not extend to pardon or discharge from account to the Kings Majesty any person or persons for any summe or summes of money received for that Illegall Tax of Decimation, or upon the accompt of any Militia setled or acted in, since One thousand six hundred forty and eight, and not accompted for, or paid over or discharged to, or by any that had authority or pretended authority to discharge the respective Receivers of the same.