Spreadsheet Failure ModeManual Workflow
Root Operational Bottleneck
State-by-state revenue and transaction counts are tallied in Google Sheets to guess when economic nexus thresholds have been crossed.
Control Hazard & Audit Exposure
Unregistered nexus obligations accrue uncollected tax and penalties; the first notice is often the state audit letter.
Deterministic Software ReplacementClient-Owned Architecture
Transaction Stream Geolocation & Nexus Compliance Daemon
Order-stream geolocation service that accumulates revenue and transaction counts per jurisdiction and triggers registration workflows at threshold.
Continuous Assertion Rule
Nexus assertion: when trailing-twelve-month sales or transactions in a state reach the statutory threshold, tax collection is enabled before the next invoice.