. . "4" . . "2029" . "20.59 - Manufacture of other chemical products n.e.c." . "Manufacture of other chemical products n.e.c." . "20.59" . . "C20.59" . "Oils and fats (Treatment of by chemical processes of\u2026) Problem statement: Where is \"treatment of oils and fats by chemical processes\" classified? Solution: Conclusion of the NACE/CPA Task Force 13-15 November 2006. Following the exclusion in NACE Rev. 2 class 10.41 \"treatment of oils and fats by chemical processes\" is classified to NACE Rev. 2 class 20.59. Decision date: 15.11.2006" .