18. Re-delivery to sender or delivery to another addressee at the request of the sender of postal article in course of transmission by post.

19. Transmission by post of anything injurious prohibited.

20. Transmission by post of anything indecent, etc., prohibited.

21. Power to make rules as to transmission by post of postal articles.

22. Power to postpone dispatch or delivery of certain postal articles.

23. Power to deal with postal articles posted in contravention of Act.

24A. Power to deliver such articles to Customs authority.

24. Power to deal with postal articles containing goods contraband or liable to duty.

25. Power to intercept notified goods during transmission by post.

26. Power to intercept postal articles for public good.

27A. Prohibition of transmission by post of certain newspapers.

27. Power to deal with postal articles from abroad bearing fictitious or previously used stamps.

27C. Procedure for disposal by High Court Division of applications for release of newspapers and articles so detained.

27D. Jurisdiction barred

27B. Power to detain newspapers and other articles being transmitted by post.