Control Inside the Transaction

For more than forty years, enterprises have processed invoices on systems designed for a regulatory world that is ending. Tax authorities audited the books long after the transaction had closed, and accounts payable departments quietly compensated for whatever gaps the architecture left behind. That arrangement no longer works.
Mandates in more than a hundred countries now require electronic invoicing, pre-clearance, or real-time digital reporting. The tax authority sees the invoice before the buyer does. The window for getting it right has compressed from months to minutes. And the CFO not the compliance manager, not the tax director, not the head of accounts payable is the executive now answerable for the result.
In Control Inside the Transaction, Markus Hornburg argues that the response most enterprises are reaching for is structurally insufficient. Adding a tax engine here, a country-specific bolt-on there, another integration to the ERP, another local provider in another market: each solves part of the problem and leaves the rest uncovered. The invoice has stopped being a document. It has become a regulated data object that has to be governed continuously, end-to-end, across every jurisdiction the enterprise touches.
Drawing on twenty-five years inside the field, Hornburg lays out an alternative. He tests the inherited assumptions of the industry one by one that format conformance equals compliance, that the network is the same as automation, that the ERP can be the global control tower, that tax technology is sufficient on its own and shows why none of them, alone or in combination, can govern the modern invoice lifecycle. He then sets out the operating model that can: invoice lifecycle management as one continuous, governed flow, with compliance as a permanent operating discipline rather than a periodic project.
For CFOs, tax leaders, finance transformation owners, and the senior executives accountable for invoice flows at scale, this is the book that explains what is really changing, why the change is structural rather than incremental, and what it demands of the leaders who will define the next decade of enterprise finance.