Heilongjiang one-time property tax online declaration process is as follows:
1. Log in to Heilongjiang Electronic Taxation Bureau, using tax number and password (registration is required for the first login).
2. Click "I want to pay taxes" on the home page and select "declare tax".
3. Enter the "Tax Declaration" page, click "Comprehensive Declaration" and select "Comprehensive Tax Declaration".
4. On the page of "Comprehensive Tax Declaration", select "Property Tax" and click "Declaration".
5. Fill in the property tax declaration form according to the prompt, and submit it after checking the information.
6. Confirm that the declaration status shows "Declaration Successful".
7. If you need to pay tax, select "Pay Tax" on the same page to complete the payment.