For self-employed approved receipts, you can follow the following steps:

1. Preparation materials: The following materials are usually required: individual industrial and commercial household registration certificate, identity certificate, bank account opening permit, taxpayer identification number, business premises lease contract, business premises photos, etc.

2. Submit the application: submit the prepared materials to the local tax authorities or relevant departments, and fill in the application form as required.

3. Review and approval: The relevant departments will review the application materials, including checking the basic information of self-employed, the legality of business premises, tax payment, etc. After approval, the tax category, tax rate and tax basis shall be approved and a notice of approval shall be issued.

Please note that the specific procedures and required materials vary from region to region and specific requirements. It is recommended that you contact the local tax authorities for detailed procedures and required materials, and ensure that the application is submitted as required. At the same time, self-employed individuals need to pay relevant taxes and fees on time and abide by tax laws and regulations.