Accounting entries:
Borrow: bank deposits
Credit: main business income
Sewage treatment income tax is paid according to the prescribed tax rate.
Enterprises engaged in qualified environmental protection, energy-saving and water-saving projects can be exempted or reduced from enterprise income tax. Accordingly, the implementing regulations specify that enterprises engaged in public **** sewage treatment, public **** garbage disposal, comprehensive development and utilization of biogas, energy-saving and emission reduction technology transformation, seawater desalination and other projects, since the project to obtain the first production and operation income from the taxable year, to give "three exemptions and three halves" preferential.