Secondly, after completing the filing, when filling out the patent application, click the fee reduction, and all the materials can be signed and submitted after completion.
If the application is made only after the application, and the later fee waiver is applied, you can click on the initiative to submit in the intermediate file production, select the case to be waived, click on the request to increase the retrieval fee waiver, and fill in the request to save and submit (this filing must be an independent patent application, and if the application is made by an agent, you can only entrust an agent to reduce the fee).