How to calculate the tax for the expert review fee paid by the project?

20% of the personal income tax assessment fee is directly withheld and remitted by the unit. Taxpayers engaged in continuing education of academic qualifications (degrees) within the territory of China shall be deducted according to the monthly 400 yuan quota during the period of academic qualifications (degrees) education.

The deduction period of continuing education with equivalent academic qualifications (degrees) cannot exceed 48 months. Taxpayers' expenses for continuing education of professional qualifications of skilled personnel and professional and technical personnel shall be deducted according to the quota of 3,600 yuan in the year when relevant certificates were obtained.

Extended data Personal income from design, decoration, installation, drawing, laboratory testing, medical treatment, law, accounting, consulting, lecturing, news, broadcasting, translation, manuscript review, painting and calligraphy, sculpture, film and television, audio recording, video recording, performance, advertisement, exhibition, technical service, introduction service, economic service, agency service and other services.

Income obtained by individuals from providing the right to use patents, copyrights, trademarks, non-patented technologies and other franchises. The income from providing the right to use copyright does not include the income from remuneration. The income from the public auction (bidding) of the original or copy of the author's own written work shall be taxed according to the royalty.

Baidu encyclopedia-personal income tax