| Exception: | For electrically ignited displays, or displays where all shells are loaded into mortars prior to the show, there is no requirement for separation of shells according to size, for their designation as salutes, or for the use of ready boxes. |
| Exception No. 1: | Where permitted by the authority having jurisdiction, alternate measures shall be taken. |
| Exception No. 2: | Where there are no shells requiring storage during a display, such as for an electrically ignited display, no ready boxes shall be required. |