The two ways non-compliance costs you
There are direct penalties for failing to issue valid tax invoices under the Tax Procedures Act, and KRA can assess these where a business does not comply with electronic invoicing requirements. These are the fines people picture when they think about eTIMS.
The larger, quieter cost is the deductibility rule. Expenses that are not supported by a valid electronic tax invoice can be disallowed when your income tax is assessed. A disallowed expense raises your taxable profit, so you pay more tax. This can dwarf any fine, and it applies to your purchases, not just your sales.
On top of both, there is commercial cost. Business customers increasingly refuse to pay against a non-compliant invoice, because they cannot claim it. So non-compliance can directly shrink your sales, regardless of what KRA does.
Where the costs actually land
Break non-compliance into its parts and the true exposure becomes clear.
- 1
Penalties for not issuing valid invoices
Failing to issue compliant electronic tax invoices can attract penalties under the Tax Procedures Act. The exact figure depends on the breach, but the exposure is real and recurring.
- 2
Disallowed expenses on purchases
If you cannot show valid eTIMS invoices for your costs, those costs can be disallowed, increasing your taxable profit and your income tax bill.
- 3
Lost input VAT
A purchase without a compliant VAT invoice means you cannot claim the input VAT inside it, so you absorb that VAT as a straight cost.
- 4
Lost B2B customers
Companies need compliant invoices to claim their costs. If you cannot provide one, they buy from a competitor who can.
- 5
Audit exposure
Gaps between declared sales and what KRA expects to see invite scrutiny. Clean, transmitted invoices are your best defence in an audit.
Risky assumptions about eTIMS penalties
"They will not notice a small business"
Because invoice data is transmitted in real time, KRA increasingly sees the gaps automatically. Size is not the shield it used to be.
"I will sort it out at year end"
You cannot retroactively make a transmitted-or-missing invoice compliant. The record is built sale by sale, in real time.
"Only my sales matter"
Your purchases matter just as much. Collecting compliant invoices from suppliers protects your deductions, which is often the bigger number.
"A fine is just a cost of doing business"
The disallowed-expense hit and lost customers usually exceed the fine. Treating it as a small fixed cost underestimates the exposure badly.
A worked example of the hidden cost
A wholesaler buys KES 2,000,000 of stock in a year from a supplier who never issues compliant invoices. At a 30 percent corporate tax rate, if that KES 2,000,000 is disallowed because it lacks valid eTIMS invoices, the extra tax is around KES 600,000. That is before any fine and before any lost input VAT.
Compare that to the cost of simply insisting suppliers issue compliant invoices, which is zero. The wholesaler was not at risk of a dramatic fine; the real danger was quietly paying KES 600,000 more in tax because the paperwork did not support the deduction.
You can sanity check the tax impact of a disallowed cost with the corporate tax estimator. It makes the hidden penalty concrete, which is usually enough to change behaviour overnight.
Trading without eTIMS-compliant tax invoices risks KRA penalties, blocked VAT input claims for your customers, and receipts a business buyer cannot expense.
Veira signs every sale to KRA eTIMS automatically, so each receipt is compliant the moment it prints, with no separate device to reconcile.
How Veira keeps you out of penalty territory
Veira issues a compliant invoice for every sale automatically, so the "failed to issue a valid invoice" risk simply does not arise. The data is transmitted to KRA, and queued safely when you are offline, so your sales record is always complete.
Because every invoice is captured, your VAT return and records line up with what KRA has, which is exactly what protects you in an audit. The compliance that prevents penalties happens as a by-product of ringing up sales.
Frequently asked questions
What is the penalty for not using eTIMS?
Can KRA disallow my expenses without an eTIMS invoice?
Do penalties apply to non-VAT businesses?
Is the fine the main risk?
Can I fix non-compliance at the end of the year?
How do I avoid eTIMS penalties entirely?
The real cost of ignoring eTIMS is rarely a single dramatic fine; it is the steady leak of disallowed expenses, lost input VAT and customers who go elsewhere. The fix is cheap: issue and collect compliant invoices, every time. Run the readiness checker to find your gaps, or book a free demo and let your till close them automatically.