Rule 66
Opening Or Closing Of Customs Office
(1) The chief of the customs Office shall prescribe the opening or closing hours of the office and affix a
notice thereof in the notice board of the office for the information of the public.
(2) In case the Chief of the Customs Office feels that there exist special circumstances for the customers interest or excessive work  necessitating the release of goods during a public holiday, or when office is  closed, the Chief may manage to keep it open and release the goods.
(3) In case of providing facilities to the customers or to simplify the  procedure relating to export or import, if the local condition warrants, the Chief of customs office, with the prior approval of the Director General, may close the office on the day which is not the public holiday, or open the  office on the public holiday.
(4) In case of the decision taken on the opening or closing hours for the office pursuant to Sub-rule (3), the chief of the customs office shall affix a notice thereof in the notice board of the office and publish it in the  national newspaper for the information of the public.
(5) Customs Office at Dry Port with the railway service, shall make arrangement for the opening or closing of office hours, upon the request of the terminal operator, in such a way that the owner of the goods shall not  incur additional cost due to demurrage charge from the time of the arrival of the railway and make arrangement of the departure of the railway.