The font size requirements of the tax bureau briefing are as follows:

1. The format requirements and font size of the briefing document are as follows: Title: Founder Small Label Song No.2 Word I, First-level Title: Founder Bold No.3 Word, Second-level Title: Founder Bold No.3 Word, Third-level Title: Founder Bold No.3 Word Imitated Song.

2. Text: Fangzheng Imitation Song III. Paragraph: the title is 28 points, and the body line spacing is single or 32 points. Page setup: 3.7cm up, 3.5cm down, 2.8cm left and 2.6cm right.

3. Signature: No.3 Founder is bold in italics, and the name of the company and the writer is written in parentheses.