40 CFR § 414.12 - Compliance date for pretreatment standards for existing sources (PSES).

---
identifier: "/us/cfr/t40/s414.12"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 414.12 - Compliance date for pretreatment standards for existing sources (PSES)."
title_number: 40
title_name: "Protection of Environment"
section_number: "414.12"
section_name: "Compliance date for pretreatment standards for existing sources (PSES)."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "414"
part_name: "ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, Pub. L. 100-4, 101 Stat. 7 (33 U.S.C. 1311, 1314, 1316, 1317, and 1361)."
regulatory_source: "52 FR 42568, Nov. 5, 1987, unless otherwise noted."
cfr_part: "414"
---


# 414.12 Compliance date for pretreatment standards for existing sources (PSES).

All dischargers subject to PSES in this part must comply with the standards by no later than three years after date of promulgation in the *Federal Register.*