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The Diplomat · Recovery
The B2B Cash Flow Recovery Playbook: How to Collect on 60+ Day Overdue Invoices
· 9 min read

Once an invoice clears 60 days, it is no longer a follow-up. It is an operations problem. Sending the same PDF louder does not triage why it stalled, and a lump-sum demand is how otherwise solvent clients go quiet.
The cash crunch
Aged receivables starve payroll, media buys, and contractor payouts. A cash-flow recovery plan for agencies has to produce cash this cycle — not a promise that AP will look at it Monday. That means matching the next action to the real blocker, not to how overdue the invoice feels.
Three buckets, three remedies
Recovering aged receivables in an SMB or agency book starts by sorting every 60+ day invoice into one of three buckets. Mixing them produces the wrong email for the wrong reason.
No reply, no portal activity
Confirm the invoice reached the AP desk, not only the champion. Re-send the vendor packet. Offer a 1-click portal path. If still dark after a defined window, escalate to the economic buyer with a specialist-ready file — not a threat.
Scope, PO, or quality hold
Separate the disputed line from the clean balance. Collect the undisputed amount now. Park the rest behind a written resolution date so the whole invoice does not freeze.
They want to pay; they cannot this run
Do not wait for a miracle full payment. Break the lump sum into a structured 2-part plan tied to their pay-cycle dates so they do not ghost to avoid the whole number.
2-part plans vs ghosting
A $72,000 balance on a client who gets paid monthly is an unmanageable object. A $40,000 this Friday and $32,000 on the next AP run is a motion they can take to treasury. Put both dates in writing. Make the first payment small enough to clear without a special committee, large enough to prove intent.

If they miss part one, you still have a documented plan — not a vague “we’ll catch up.” That is the difference between a working relationship and a write-off conversation when you collect past due invoices in B2B.
Avoid tone-deaf escalation
The fastest way to lose a 60-day invoice is to demand a balance the client already paid, or to collections-tone a champion who is fighting AP on your behalf. Always verify the open balance immediately before the send. If a partial landed overnight, the next note should acknowledge it — or not go out at all.
DueBridge tie-in
Two-way resolution, with a live balance check before every send.
DueBridge’s Diplomat keeps recovery inside owner-defined policy: no blind demands, no agency tone. Two-way resolution lets the debtor pick a 2-part plan or raise a dispute without ghosting. Pre-send balance verification stops tone-deaf escalations when cash already moved. You get a cockpit of what is unresponsive, disputed, or on a plan — instead of an inbox of identical nudges.
Questions these searches are asking
How do you collect past due invoices in B2B without a collections agency?
Triage first. Unresponsive invoices need packet and portal confirmation. Disputed invoices need the clean balance collected now. Cash-strapped invoices need a dated 2-part plan. One template for all three buckets is why aged AR stalls.
What is a practical cash flow recovery plan for agencies with 60+ day invoices?
Sort every aged invoice into unresponsive, disputed, or cash-strapped. Re-send missing AP documents, split undisputed vs disputed amounts, and convert lump sums into two pay-cycle installments. Measure cash recovered this cycle, not emails sent.
How do SMBs recover aged receivables without clients ghosting?
Stop sending unmanageable lump-sum demands. Offer a structured two-part settlement tied to the buyer’s AP calendar, verify the live balance before every outreach, and keep the tone inside owner policy so the champion is not forced to defend you.