Wastewater Treatment by CETP Not 'Processing of Goods', Not Taxable

The Chennai Bench of the Customs, Excise, and Service Tax Appellate Tribunal (CESTAT) ruled that the treatment of industrial wastewater by a Common Effluent Treatment Plant (CETP) does not constitute "processing of goods" and is not taxable under Business Auxiliary Services (BAS). The case involved a CETP established as a common facility under government policy to manage industrial effluents. The department had sought to levy service tax, classifying the activity as processing goods on behalf of client industries. However, the tribunal determined that the primary function of a CETP is environmental protection, not commercial processing. It further noted that such services were covered by a retrospective exemption. This decision is crucial for the environmental services sector, as it clarifies that essential pollution control activities, which are often mandated by law and supported by government grants, are not to be considered commercial services for taxation purposes.