Top 10 A/P Mistakes to Avoid

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Top 10 A/P Mistakes to Avoid

These are the most common Accounts Payable mistakes that lead to:

•Incorrect balances

•Vendor disputes

•Late payments

•Cash flow problems

•Extra bookkeeping work

Avoiding these problems will help keep your vendor relationships strong and your accounting records accurate.


1. Forgetting to Select Process

What Happens

•Charges or payments are not saved

•Checks are not created

•Vendor balances remain unchanged


How to Avoid It

👉 Always select Process after completing:

•Invoice entry

•Payment assignment

•Check preparation


2. Posting Charges Late

What Happens

•Aging becomes inaccurate

•Bills are overlooked

•Payments may become overdue


How to Avoid It

👉 Enter vendor invoices the day they are received whenever possible.


3. Using the Wrong Vendor Account

What Happens

•Charges appear under the wrong vendor

•Payment history becomes inaccurate

•Reconciliation becomes difficult


How to Avoid It

👉 Always verify:

•Vendor name

•Account number

before saving transactions.


4. Forgetting to Enter Invoice Numbers

What Happens

•Duplicate invoices become difficult to detect

•Vendor disputes are harder to resolve


How to Avoid It

👉 Always enter the vendor invoice number in the Notes field.


5. Ignoring Payment Cycles

What Happens

•Closings are missed

•Aging becomes confusing

•Vendor processing becomes disorganized


How to Avoid It

👉 Use logical payment cycles such as:

•Weekly

•Monthly

•Special vendor groups

and process them consistently.


6. Forgetting to Run Period Close

What Happens

•Paid invoices remain active

•Aging totals become cluttered

•Worksheets become harder to review


How to Avoid It

👉 Always run Period Close after processing payments for a cycle.


7. Not Reviewing Vendor Statements

What Happens

•Missing invoices go unnoticed

•Vendor posting errors accumulate

•Duplicate charges may be paid


How to Avoid It

👉 Compare:

•Worksheets

•Vendor statements

regularly before issuing payments.


8. Ignoring Overdue Vendor Balances

What Happens

•Credit limits may be reduced

•Vendors may place accounts on HOLD or COD

•Emergency purchasing becomes difficult


How to Avoid It

👉 Review overdue Accounts Payable reports weekly and communicate with vendors proactively.


9. Incorrect Spread G/L Totals

What Happens

•Transactions will not process

•General Ledger entries become inaccurate


How to Avoid It

👉 When using Spread G/L:

•Total distributed Debit amounts must exactly equal the Charge amount.


10. Finalizing Checks Without Verifying Printing

What Happens

•Incorrect checks may be issued

•Reconciliation becomes difficult

•Additional correction work is required


How to Avoid It

👉 Always verify:

•Check alignment

•Amounts

•Vendor information

before finalizing processing.


Quick Rule to Remember

👉 Good Accounts Payable management is really about:

•Organization

•Consistency

•Follow-through

Small bookkeeping mistakes often become large financial problems later if ignored.


Best Practices

•Post invoices promptly

•Review aging regularly

•Process payment cycles consistently

•Document vendor communication carefully

•Reconcile vendor statements often