50. Refusal of articles. – The addressee of an article is not bound to pay the amount due
on it to the Post Office if he does not want to take delivery of it. In this case the word “Refused”
will be written by the Postman across the cover.
51. Obligation to pay charges. - When a person takes delivery of an article on which any
sum is due to the Post Office, he must pay the amount marked upon it. Any complaint of
overcharge should be made to the postmaster of the office of delivery to whom the article should
be taken before being opened.
52. Remedy of post office for recovery of charges due. - If a person, after taking
delivery of an article on which any postage or other sum or customs duty is payable, refuses to pay
the amount marked as due, it will be recovered from him in the same way as a fine imposed under
the Post Office Act and the Post Office has further the power of withholding from him until such
charge be paid or recovered, any article addressed, to him not being on India Government Service.
( Source: http://www.indiapost.gov.in/PO_Guide_Part-1.pdf)
