When the Client Config setting Business: Cart > Enable Custom Tax Calculation Systems is set to Yes, an extra JTR Custom Tax item appears under Sales Reports (next to Taxes), gated by the same Taxes permission. It links to a separate report at /admin/reports/jtrtax that lists paid orders whose shipping address resolved to a jurisdiction under your configured custom tax provider, using the same Begin/End dates. In the current version, simply turning the setting on is not enough to actually see data: the report also needs a tax-jurisdiction provider (e.g. TTR) configured with an API key for your account — without one, opening the link redirects you back to the dashboard even though the menu item is visible. This feature is intended for kitchens using a jurisdiction-based custom tax system (for example Colorado) rather than Sprwt's standard zip/state tax, and is set up with Sprwt's help.