Two Audit Tests, Two Kinds of Fixed Asset Register Error

A fixed asset register can be wrong in two opposite directions. It can list equipment that's gone, which an existence test is built to catch, or miss equipment that's working on the floor, which a completeness test is built to catch. They're two different tests because checking what's on the books can't show what's missing from them.

Walk a plant floor with the fixed asset register in hand and two kinds of surprise turn up. Some lines point to equipment nobody can find: a generator sold two years ago, a forklift scrapped after an accident. Some equipment on the floor has no line at all: a compressor bought on a maintenance budget, a machine transferred in from another site and never added.

Both are register errors, and they pull the numbers in opposite directions. The first overstates what the company owns. The second understates it. Auditors test for them separately, and a process built to catch one can miss the other entirely. When a federal audit of routine equipment purchases checked items against the records, 43 percent of the items tested, worth $1.8 million, could not be verified as existing. This piece is for COOs, CEOs and operations leaders who run the equipment, and for the finance and audit teams who have to stand behind the register.

What Are the Existence and Completeness Tests?

The existence test checks whether the assets recorded on the books exist. The completeness test checks whether everything that should be on the books is recorded. One catches overstatement, the other catches understatement.

Auditing standards (for US public companies, the PCAOB's AS 1105) list these as separate assertions, which is audit language for the claims a company's financial statements make. Two plain-language terms go with them.

• Ghost asset: equipment that's still on the register but no longer exists or is no longer usable. It's an existence failure: the books say it's there and the floor says it isn't.
• Zombie asset: equipment the company owns and uses that was never entered into the register. It's a completeness failure: the floor says it's there and the books say nothing.

The standards' own wording makes the point directly. Auditing standards separate the existence assertion, which tests whether recorded assets actually exist, from the completeness assertion, which tests whether everything that should be recorded is recorded. They are two different tests because sampling what is on the books cannot tell you what is missing from it.

The direction of the check decides what it can find. Start from the register and walk to the floor, and you'll find the ghosts. Start from the floor and walk to the register, and you'll find the zombies. A count that only runs one way only finds one kind of error.

A single transfer can create both errors at once. A machine moved from one plant to another can stay on the first plant's register as a ghost and turn up at the second plant as a zombie. Each site's register is wrong, in opposite directions, and the company-wide total can still look about right.

Why Registers Fail Both Tests

Registers fail both tests for the same underlying reason: equipment changes on the floor, and the register only changes when someone tells it. Five causes drive most of the gap:

1. Disposals leave no paperwork for finance: a scrapped or sold machine leaves with no invoice that routes to accounting, so the register keeps it. That's how ghost assets accumulate.
2. Purchases bypass the asset process: equipment bought on a maintenance or project budget, or expensed by mistake, never gets an asset record. That's how zombie assets accumulate.
3. Transfers move equipment between registers: a machine sent to another site can drop off one register without landing on the other, or sit on both.
4. Most checks start from the books: a sample drawn from the register can confirm that listed items exist, but it can't find equipment the register never listed.
5. Paperwork stands in for the equipment: an invoice proves a purchase and a work order proves a repair. Neither proves the machine is still there today.

Existence Test vs. Completeness Test

Neither column is the right one. A register that's checked in only one direction can look clean and still be wrong in the other.

What Each Kind of Error Costs

Ghosts and zombies distort different numbers, and both stay invisible until someone checks in the right direction:

• Ghost assets inflate the books: equipment that's gone keeps its value on the balance sheet and keeps being depreciated. Kroll's fixed asset register health check found that more than 15 percent of recorded assets at one manufacturing client were no longer in service. That's one client, not an industry rate.
• Zombie assets go unprotected and uncounted: equipment that was never recorded isn't depreciated, isn't on the insurance schedule and isn't on the plan for maintenance or replacement. Nobody has a reliable number for how common they are.
• Statements stand on representations: audit standards say plainly that a management representation is not sufficient evidence on its own, and that obtaining one does not reduce the other procedures the auditor has to perform.
• Fixed assets get no physical check by default: audit standards require a company's inventory to be physically observed. They set no equivalent general requirement for the property, plant and equipment sitting next to it, outside narrow cases such as federal grant equipment and government contract property.

The 43 percent figure above comes from one specific audit, GAO-08-333, a 2008 review of government purchase card buys. GAO itself calls its selection nonrepresentative, so it shows what checking finds, not a rate for any other organization.

None of this puts a dollar figure on a given company's exposure. The size depends on its own equipment and records, and the only way to know is to check in both directions. The more useful question for an executive isn't how big the gap is somewhere else. It's which direction your own register has been checked in, and when.

"Evidence beats debate. Every time."

Tim Harris, CEO, SoloTruth

Who Is Most Affected?

The exposure is highest where equipment moves often and the people who move it are far from the people who record it:

• COOs and operations leaders: their teams scrap, buy, move and repair equipment every week, and every one of those events changes the register's accuracy in one direction or the other.
• CEOs and CFOs: they sign off on statements whose asset values rest on a register that may only ever be checked from the books outward.
• Internal audit teams: they test existence and completeness, and they need evidence that runs both ways, not just a sample drawn from the register.
• Multi-site, equipment-heavy businesses: manufacturing, logistics, construction and utilities transfer equipment between sites and budgets constantly, which is where both ghosts and zombies start.
• Companies heading into a sale or a financing: a buyer or lender tests the register in both directions, and finds whatever one-way checks missed.

What to Look For in a Verification Process

A verification process that holds up checks the register in both directions and records the evidence it finds. When evaluating approaches, look for six capabilities:

1. Floor-to-book and book-to-floor checks: the process starts from the equipment as well as from the register, so it can find what's missing as well as what's gone.
2. Capture from the people closest to the equipment: crews record what they see during work they already do, rather than waiting for an annual count.
3. Evidence of existence and condition: verified photographic, condition and other asset evidence, with location and a timestamp, stored with the asset record.
4. A route for unrecorded equipment: when a crew finds a machine with no record, the finding goes to accounting to be added, not left in a spreadsheet.
5. Human approval before the record changes: accounting reviews every finding and approves the change before it reaches the system of record.
6. An audit-ready trail: auditors can trace each change in the register back to the evidence behind it.

What Good Looks Like

A register that passes both tests is simple to describe, and it depends on routine more than on any one system:

1. Walk both directions: check the register against the floor and the floor against the register, so each kind of error has a way to surface.
2. Record disposals when they happen: a scrapped, sold or transferred machine updates the record that day, which keeps ghosts from forming.
3. Catch purchases at the door: equipment that arrives on any budget gets checked against the register before it goes into service, which keeps zombies from forming.
4. Keep the evidence with the record: verified photographic and condition evidence, with location and a timestamp, beats a signature on a representation letter every time someone asks.
5. Route every finding to accounting: the register changes only after finance has seen the evidence and approved the entry.

The ways ghosts get onto a register are covered in our post on six ways ghost assets get onto the register, and the completeness side in our post on zombie assets.

Common Misconceptions About Register Accuracy

Four assumptions let a register look clean while it fails one of the two tests:

Misconception: If every sampled asset was found, the register is accurate.

Reality: a sample drawn from the register can only confirm what's listed. It says nothing about equipment that was never recorded.

Misconception: Invoices and work orders prove the equipment is there.

Reality: an invoice proves a purchase happened and a work order proves a repair happened. Neither shows the machine is still on site today.

Misconception: A company-wide total that looks right means the register is right.

Reality: ghosts at one site and zombies at another can offset each other in the total while every site's register is wrong. The total is the last place the errors show.

Misconception: The annual audit checks every machine.

Reality: there's no general requirement to physically check fixed assets the way inventory is observed, so an annual audit shouldn't be assumed to look at every machine.

Frequently Asked Questions

What is the existence test for fixed assets?

It checks whether the assets recorded in the register exist. It starts from the books and looks for the equipment, so it finds ghost assets that overstate what the company owns.

What is the completeness test for fixed assets?

It checks whether everything the company owns is recorded. It starts from the floor and looks for the record, so it finds zombie assets that understate what the company owns.

What is the difference between a ghost asset and a zombie asset?

A ghost asset is recorded but no longer there or usable. A zombie asset is there and in use but was never recorded. One is an existence failure, the other a completeness failure.

Why can't a sample of the register find missing equipment?

A sample drawn from the register only contains items the register already lists. Equipment that was never recorded can't be sampled, so finding it takes a check that starts from the floor.

Is a management representation enough to prove fixed assets exist?

No. Audit standards say a management representation is not sufficient evidence on its own, and obtaining one does not reduce the other procedures the auditor has to perform.

Do audit standards require physical checks of fixed assets?

Not generally. Audit standards require inventory to be physically observed but set no equivalent general requirement for property, plant and equipment, outside narrow cases such as federal grant equipment.

What is asset relationship management (ARM)?

Asset relationship management is a control layer above the ERP that captures physical evidence about assets and routes it through approval before the financial record changes.

A Register Has to Pass Both Tests

A fixed asset register can be wrong because it lists what's gone or because it misses what's there, and a check that runs in one direction only finds one of them. Passing both tests takes evidence from the floor, captured where the equipment changes and reviewed before the register moves.

This is the gap SoloTruth's Asset Relationship Management platform (ARM) was built to close. Your own crews gather photographic, condition and other asset evidence in SoloTruth's mobile inspection app during work they already do, scanning the asset's QR code or barcode on the phones they already carry, with no extra hardware, and ARM verifies it with location and a timestamp. ARM routes every finding, including equipment with no record, to your accounting team for approval before the ERP is updated. SoloTruth has used the SoloTruth/VirtuSpect platform to manage and complete inspections, verifying condition and location, at over 1,000 businesses across the US.

Book a 30-minute strategy call at calendly.com/tim-harris-solotruth/30min to see how continuous verification changes what your fixed asset register is capable of.

Last Updated: October 2026