<br/>PART 73 — SULFUR DIOXIDE ALLOWANCE SYSTEM [ 40 CFR 73 ]PART 73 — SULFUR DIOXIDEALLOWANCE SYSTEM [ 40 CFR 73 ]Table of ContentsSubpart A — Background and Summary§ 73.1 — Purpose and scope.[ Last FR update: 03/23/1993 ]§ 73.2 — Applicability.§ 73.3 — General.Subpart B — Allowance Allocations§ 73.10 — Initial allocations for phase Iand phase II.[ Last FR update:05/12/2005 ]§ 73.11 — [Reserved]§ 73.12 — Rounding Procedures.[ Last FR update: 09/28/1998 ]§ 73.13 — Procedures for submittals.[ Last FR update: 09/28/1998 ]§§ 73.14-73.17 — [Reserved]§ 73.18 — Submittal procedures for unitscommencing commercial operation during the period from January 1, 1993, throughDecember 31, 1995.[ Last FR update:03/23/1993 ]§ 73.19 — Certain units with declining SO2rates.[ Last FR update:09/28/1998 ]§ 73.20 — Phase II early reduction credits.[ Last FR update: 06/24/1997 ]§ 73.21 — Phase II repowering allowances.[ Last FR update: 09/...