The Work Shipped. The Invoice Didn't.

Most late payments do not start with a slow client. They start with a slow invoice.

Yesterday we mapped the full process from delivered work to money in the bank and put a name on every step. Today is about the first stage in that process, the part that happens entirely inside your own firm. It has the two cheapest fixes in the whole system. Neither one requires an awkward conversation, new software, or anyone's permission but yours.

Fix one: send the invoice the day the work ships

At many firms, invoicing runs on memory. Work wraps up mid-month. The invoice goes out whenever someone next sits down to do billing, often at month-end, sometimes later. Nobody decided that delay. It is just what happens when sending the invoice depends on someone remembering to send it.

The fix is to tie the invoice to an event instead of a memory. The event is simple: the work is marked done.

Whatever "done" means at your firm, a delivered file, a signed-off milestone, a final call, that moment should do two things. It should tell the client the work is complete. And it should trigger the invoice. Same day, or next morning at the latest.

Notice what this removes. No one has to remember. No one has to find time for billing. The gap between finishing the work and asking to be paid drops to a day. At a firm that wraps work mid-month and bills at month-end, that gap was running two weeks or more before any client had a chance to be slow.

Fix two: a standing invoice day for retainer work

Some work does not finish in neat moments. Retainers, ongoing engagements, monthly service. For that work, the fix is a fixed invoice day.

Pick a day. Many firms use the first business day of the month, but the specific day matters less than the fact that it never moves. Invoices go out on that day the way payroll runs on payday. Not when the founder has a quiet hour. Not after the client meeting that keeps getting rescheduled. On the day.

A fixed day does something a reminder app cannot. It makes invoicing an appointment the firm keeps with itself, instead of a task competing against client work. Client work wins that competition every single time, which is exactly why billing drifts.

It also improves the conversation with clients. An invoice that arrives on the same day every month trains everyone to expect it. Predictable billing reads as professional. Invoices that show up at random read as optional.

Why start here

Because on many overdue invoices, the first party to run late was the firm that sent them. That is good news. This part of the process is fully in your control. No client behavior has to change. Nobody has to become braver about following up. You are just removing the delay your own firm adds before anyone else gets a chance to be slow.

If you did yesterday's exercise, look at the first two steps you wrote down. If either one had a blank next to it, or your own name where a rule should be, today's two fixes are the whole assignment. Give the invoice a trigger. Give billing a day.

Tomorrow we put the whole process on one page, every step with a name, so nothing between delivered work and banked cash depends on anyone's memory. Including yours.

More from this week

This piece stands on its own. This week's 5 pieces all look at Nobody Owns Getting Paid:

• Monday: Nobody Owns Getting Paid
• Tuesday: The Work Shipped. The Invoice Didn't. (this post)
• Wednesday: Put a Name on Every Step (coming Wednesday)
• Thursday: A Rule Replaces Courage (coming Thursday)
• Friday: Twenty Minutes a Week, Every Week (coming Friday)

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