Before sending any document to LHDN via MyInvois, you must complete the basic e-Invoice
configuration described in the “Before You Submit: E-Invoice General Setting” KB group. That
includes:
• Setting an effective date for e-Invoice validation so the system knows from which date
to start enforcing e-Invoice checks.
• Configuring company-level e-Invoice settings, including your taxpayer identity and
connection details to MyInvois via API.
• Ensuring required master data (customers, suppliers, tax codes, etc.) has the mandatory
e-Invoice fields the system expects.
Once these are done, QCA will be able to validate documents against LHDN’s rules and call the
MyInvois API for submission.
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