28. Registration of postal articles.

29. Power to make rules as to registration.

30. Insurance of postal articles.

31. Power to require insurance of postal articles.

32. Power to make rules as to insurance.

33. Liability in respect of postal articles insured.

34. Transmission by post of value-payable postal articles.

35. Power to make rules as to value-payable postal articles.

36. Power to give effect to arrangements with other countries.