Seven individuals and 13 businesses have been convicted of tax and national insurance offences.
At Douglas Magistrates Court, they were fined a total of more than £22,000.
Nine businesses who didn't pay income tax instalments or National Insurance contributions on time were fined £13,500.00.
Meanwhile, two companies that failed to comply with a notice to submit company tax returns were fined £1,400.
And another two firms failed to comply with a notice to submit accounts supporting tax returns and were fined £1,250.00.
How much has the Department of Infrastructure claimed for property damage?
Visa fraudster convicted in Isle of Man immigration scam
Crowds gather for Maccies re-opening after £1.6m upgrade
MHK questions wages of 1,500 extra workers
Manxman sailings cancelled today
New parent employment rights to start this Saturday
70% of cars fail police winter roadside checks
Festival of Remembrance at the Villa next month