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