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Frequently Asked Questions about BTP & TRP

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Frequently Asked Questions

Read the most frequently asked questions (FAQs) and answers about Business Tax Portal (BTP) and Tax Representative Portal (TRP).

FAQs about Account Registration and Management for BTPFAQs about Account Registration and Management for TRPFAQs about Electronic Filing of Profits Tax ReturnFAQs about Profits Tax Matters – Tax PositionFAQs about Property Tax MattersFAQs about Employer's Return (ER) e-Filing Services - BTP

Enquiries about BTP and TRP

If you encounter any difficulties using BTP & TRP online services and cannot find a solution in the FAQs, you may make an enquiry through the following channels:

  1. For enquiries relating to BTP / TRP account registration, appointment of BTP administrator / authorized user and service agent, and setup of TRP team, etc.:
    1. Call eTAX Helpdesk at (852) 183 2011 during service hours [08:15 to 12:30 & 13:30 to 17:30, Monday to Friday (except public holidays)].  If you want to leave a message for a return call, select language, and then press *7.  The IRD will call back within 2 working days as far as possible.

    2. Send your enquiries by email to etaxhelpdesk3@ird.gov.hk.

  2. For enquiries relating to other online services (e.g. e-filing of Profits Tax Return, e-filing of Employers' Return, or matters relating to Certificate of Resident Status and Business Registration), please send your enquiries via the "Make a Request / Reply" function in BTP / TRP.

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Last revision date: January 2026