How many relevant laws and regulations should there be for the charging standard of property management in Guizhou Province?

Legal analysis: the charging standards of property management fees are as follows: the first-class charging standards:

1.00 yuan/month. M2 (including tax); Secondary charging standard:

0.75 yuan/month. Square meters (including tax); Three-level charging standard:

0.45 yuan/month. Square meters (including tax); Four-level charging standard:

0.35 yuan/month. Square meters (including tax). Legal basis: Article 282 of the Civil Law of People's Republic of China (PRC), the income obtained by the construction unit, the property service enterprise or other managers from the owner's part shall be owned by the owner after deducting reasonable expenses.