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Hong Kong

Hong Kong e-Invoicing

Updated 30 August 2025

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B2B
voluntary
No mandatory e-invoicing requirements.
B2C
voluntary
No mandatory B2C e-invoicing requirements. Businesses determine archival methods as long as records remain accessible and legible.
B2G
voluntary
Registration on e-procurement portal required for sending electronic invoices to government.

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Standards:

No specific format mandated
7-year retention requirement by IRD

Supported Formats:

Flexible format - paper or electronic acceptable
Must remain accessible, credible, and legible

Clearance Model:

Post-audit framework; no pre-clearance required; IRD may review during Profits Tax Return verification

N/A
No SAF-T implementation; Hong Kong uses post-audit framework with mandatory electronic filing of Profits Tax returns from 2025/26 assessment year

Mandatory electronic filing of Profits Tax returns (Phase 1)
1 April 2025
Tax return filing
First phase of mandatory electronic filing of Profits Tax return takes effect for 2025/26 assessment year onwards.

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Related Countries

Bahrain
Bahrain
voluntary
Cambodia
Cambodia
voluntary
Thailand
Thailand
voluntary
China
China
mandatory