270.Paragraph 21 modifies section 136(1) of the Criminal Procedure (Scotland) Act 1995 to extend the time limit concerning summary proceedings specified in subsection (1) of that section by 6 months. It has the effect that the time limit for the commencement of proceedings for any statutory offence triable only summarily, unless the enactment fixes a different time limit, is 12 months from the date of the alleged commission of the offence.