30In the entry relating to section 172 of that Act (failure of person keeping vehicle and others to give police information as to identity of driver etc in the case of certain offences) the following shall be inserted in columns 5 to 7—
| “Discretionary, ifcommitted otherwise than by virtue of subsection (5) or (11). | Obligatory, if committed otherwise than by virtue of subsection (5) or (11). | 3” |