reg 29A Disapplication of rule 29
Rule 29 does not apply to— (a) sentencing proceedings where the sole defendant has entered a guilty plea before the commencement of trial proceedings; (b) sentencing proceedings where there are two or more co-defendants, and each co-defendant has entered a guilty plea before the commencement of trial proceedings; ... (c) variation proceedings where paragraph (a) or (b) applied to the sentencing proceedings in which the sentence which falls to be varied was imposed ; and (d) review of sentence proceedings where paragraph (a) or (b) applied to the sentencing proceedings in which the sentence which falls to be reviewed was imposed.