4. Forms in Appendices. —(1) The forms set forth in the appendices to these rules, with such variations as the circumstances of each case may require, may be used for the respective purposes therein mentioned, and if used, shall be sufficient, but a deviation from such forms shall not, by reason only of such deviation, render invalid any charge, warrant, order, proceedings or any other document relevant to these rules.
(2) Any omission of any such form shall not, by reason only of such omission, render any act or thing invalid.
(3) The directions in the notes to, and the instructions in, the forms shall duly complied with in all cases to which they relate, but any omission to comply with any such directions in the notes of instructions shall not, merely by reason of such omission, render any act or thing invalid.
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