Section 29. Where an offence punishable under section nineteen, clause (f), has been committed within three mont

29. Where an offence punishable under section nineteen, clause (f), has been committed within three months from the date on which this Act comes into force in any province, district or place to which section 32, clause 2, of Act XXXI of 1860 applies at such date, or where such an offence has been committed in any part of British India not being such a district, province or place, no proceedings shall be instituted against any person in respect of such offence without the previous sanction of the Magistrate of the District, or, in a Presidency-town, of the Commissioner of Police.