Under Malaysian Law stated in the Customs (Prohibition of Import) Order 2017, there are Absolute Prohibition and Conditional Prohibition. You may refer here for the full list. Below is a guide for items related to DHL Express:
Absolute Prohibition – The importation of the items into Malaysia is absolutely prohibited
Conditional Prohibition – The importation of the items into Malaysia is allowed with an import license or in the manner provided by the Order
An importer may apply for a permit or license for importation directly from the Government Agencies or through an agent. The designated Government Agencies may be referred to the Customs (Prohibition of Import) Order 2017 Column 5 of each Schedule.
DHL Express does not perform any permit application on behalf of the importer. It is advisable for the permit approval to be obtained prior to shipment arrival into Malaysia.
Here are 3 reasons why your shipment is classified as rejected import: