A TMS and an accounting package overlap at the edges but are built for different jobs. The TMS knows about loads, lanes, drivers, accessorials, and PODs. The accounting system knows about the chart of accounts, tax categories, payroll, and the P&L your accountant needs.
A very small operation can lean on one and improvise the other — invoice from a TMS and hand a shoebox to an accountant, or run everything through accounting software and track loads on a spreadsheet. Both approaches leak: the first has no clean books, the second has no operational visibility.
The practical setup for most carriers is a TMS for operations that pushes invoices and payments into the accounting system automatically. The integration is the point — without it, every invoice is entered once in the TMS and again in accounting, which is exactly the double-entry a TMS is supposed to remove.
How to apply the answer
The answer changes when the operating facts change. Before applying it, identify the carrier's fleet size, equipment, authority model, lanes, customer requirements, and the records already available. A small owner-operator may make a different decision from a multi-truck carrier with dedicated freight, an accounting team, or a shipper routing guide. State those assumptions so another person can review the reasoning instead of treating a general answer as a promise.
Use the answer as a starting point for a repeatable workflow. Write down the inputs, compare the available options, and record the evidence behind the decision. For this question, the relevant terms include settlement, chargeback. Linking the question to those definitions helps a dispatcher or owner move from a short answer to the operational detail that determines what happens next.
A useful next step is to test the decision against one real load, customer, driver, or settlement record, while keeping private information out of the example. Check what changed after the decision and update the process if the result did not match the assumption. This is especially important for compliance, tax, pricing, and cash-flow topics, where requirements and commercial terms can change.
If the decision affects more than one team, write down the handoff: who prepares the information, who reviews it, and where the final record lives. That small step turns a useful answer into a repeatable operating practice and makes it easier to find the next question when the workflow changes.
Trailflow's product pages describe supported workflows separately from this answer. Review the relevant product or workflow page for current availability, and verify regulated or financial decisions with the applicable primary source or qualified advisor.
Terms in this answer: Settlement, Chargeback
In Trailflow: accounting and integrations.