Electronic Invoicing System API v1
Developers Guide
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4.4.6. Get Terminal Blocking Message

The "Get-Terminal Blocking Message" endpoint retrieves the reason or message explaining why a terminal has been blocked by the Malawi Revenue Authority. This endpoint is used when a terminal submits a sales transaction and the EIS API response includes shouldBlockTerminal set to true.
 
When this occurs, the terminal is no longer permitted to process sales. The POS system should call this endpoint to obtain the official blocking message, which must be displayed to the cashier or operator. This helps communicate the specific compliance or administrative reason behind the restriction and guides the operator on potential next steps.