The $100,000 Economic Nexus Threshold: How Wayfair Created a 50-State Tax Compliance Obligation

[PUBLISHED: MID-2026] // [CLASSIFICATION: ENTERPRISE AUDIT RISK]

Before June 2018, physical presence governed U.S. sales tax jurisdiction. The Supreme Court's landmark ruling in South Dakota v. Wayfair abolished physical presence, authorizing states to enforce economic nexus once an out-of-state business crosses statutory gross revenue or discrete transaction counts.

Maritime EDI 15-Point Hard-Stop & Soft-Hold Diagnostic Rules

Global ocean shipping EDI transactions (EDIFACT VERMAS, IFTMIN, DGS, EQD / X12 304, 309, 310, 353) enforce hard-stops at origin ports for missing VGMs, improper IMDG Amdt 42-24 classifications, or ISF 10+2 mismatch errors. Soft-holds trigger intensive customs exams and OSRA 2022 demurrage billing disputes[span_2](start_span)[span_2](end_span)[span_3](start_span)[span_3](end_span).

Stark Law (42 CFR § 411.357) Fair Market Value Limits & Statutory Exceptions

Under 42 U.S.C. § 1395nn, physicians cannot refer Designated Health Services (DHS) to entities with which they have a financial relationship unless a statutory exception (e.g., Bona Fide Employment, Personal Services, In-Office Ancillary) is strictly met. Exceeding FMV benchmarks exposes healthcare entities to False Claims Act treble damages and mandatory CMS disclosures.