The Zimbabwe Revenue Authority or ZIMRA says cross-border travelers are with immediate effect required to declare goods three hours before arrival at any port of entry.
In a statement, ZIMRA said bus operators and airlines are expected to submit information on luggage, goods and profiles of passengers through electronic mails.
Haulage truck operators are also required to make similar submissions using the Automated System for Customs Data (ASYCUDA) designed by the United Nations Conference on Trade and Development to administer customs clearance.
The latest ASYCUDA version, an internet-based system allowing importers and clearing agents to electronically submit bills of entry declarations and supporting documents, was recently rolled out in Zimbabwe.
ZIMRA said the new regulations stemming from the amendment of some sections of the Customs and Excise Act will give it time to risk profile goods and passengers.
The revenue authority has provided a list of emails to be used by travelers in its official website.
But economic commentator Rejoice Ngwenya said the new regulations will face serious challenges due to internet connectivity problems in the country.