ASC 740 Provision, IRC §174 & Multi-State Nexus Technical Directory (19 Guides)
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State Tax & Nexus Guides
CA (8.84%)
California (CA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
NY (7.25%)
New York (NY) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
TX (0.75%)
Texas (TX) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
WA (1.50%)
Washington (WA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
IL (9.50%)
Illinois (IL) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
MA (8.00%)
Massachusetts (MA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
PA (7.99%)
Pennsylvania (PA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
NJ (9.00%)
New Jersey (NJ) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
GA (5.39%)
Georgia (GA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
FL (5.50%)
Florida (FL) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
CO (4.40%)
Colorado (CO) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
NC (2.25%)
North Carolina (NC) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
VA (6.00%)
Virginia (VA) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
State Tax & Nexus Guides
OH (0.26%)
Ohio (OH) Corporate Tax Rate, Economic Nexus, Apportionment & IRC §174 Conformity Guide (2025/2026)
IRC §174 & State Conformity
Technical Guide
IRC §174 R&D Capitalization State Conformity & Decoupling Matrix (2025/2026)
ASC 740 Tax Provision
Technical Guide
ASC 740 Tax Provision Audit-Readiness Checklist for Series A–C Startups & Controllers
Multi-State Nexus & Apportionment
Technical Guide
Post-Wayfair SaaS & Remote Worker Corporate Income Tax Nexus Thresholds (2025/2026)
Federal & State Compliance
Technical Guide
Corporate Schedule M-1 & M-3 Book-to-Tax Reconciliation Workpaper Guide
Fixed Assets & State Modifications
Technical Guide