How to Record Sequential Liability (Publisher Payouts Tied to Advertiser Payment)
Accounting for a contractual clause where the AdTech firm is only legally obligated to pay the publisher if and when the advertiser pays the firm.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Accounts Receivable (Advertiser) | Asset (+) | 50,000.00 | - |
| Advertising Revenue (Net/Gross) | Revenue (+) | - | 50,000.00 |
| Cost of Sales - TAC (Sequential Liability) | Expense (+) | 40,000.00 | - |
| Contingent Publisher Payable | Liability (+) | - | 40,000.00 |
💡 Accountant's Note
Sequential Liability is a protective industry standard (established by the IAB). It means the AdTech intermediary is not a guarantor of the advertiser's credit. The liability to the publisher is only 'crystallized' once the cash is received from the advertiser. However, for GAAP (ASC 606/450), the expense and liability are still accrued at the time the ad is served to match revenue, but they are flagged in the sub-ledger as 'Sequential' to indicate that the cash outflow is contingent on the cash inflow.
Practitioner & Systems Framework
💻 ERP Architecture
The AP sub-ledger must have a 'Pay-When-Paid' status. This prevents the system from generating a payment to the publisher during an automated check run if the corresponding AR invoice is still open.
⚠️ Audit Flags
Bad Debt Write-offs. If an advertiser goes bankrupt, and the firm has a Sequential Liability clause, the firm can simultaneously write off the AR and the 'Contingent' AP, resulting in a lower net loss.
📄 Required Documentation
Master Service Agreement (MSA) containing IAB 4.0 Standard Terms, and the 'Pay-When-Paid' aging report.
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Expert Analysis by Qusai Ahmad
General Accountant Supervisor & IFRS Specialist
Specialized in SAP GUI automation and Middle Eastern tax compliance. Building digital tools for the next generation of finance leaders.
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