Section 2
SEC. 2. Section three of Commonwealth Act Numbered Three hundred ninety-six is amended to read as follows: "SEC. 3. The Municipal Board or city or municipal council concerned shall not be required to fix one uniform rate per centum for all the taxable real estate in the entire district or section, but may fix different rates for real estate in different parts or sections of the same, according as said property will derive greater or less benefit from the improvement. "