They declared they only had their modest state pension to live on - but they actually had more than a million francs saved up.
The bank accounts were discovered during a tax audit.
They have to pay nearly CHF 4,000 each in fines and costs and given a CHF 14,000 suspended fine.
They also have to pay back all the misclaimed cash.
Bern preparing for fuel shortages
Switzerland is bracing for possible fuel shortages after the closure of the Strait of Hormuz disrupted global oil supplies.
Switzerland becoming the new Dubai?
Switzerland is seeing increased interest from expatriates leaving Dubai amid tensions linked to the conflict with Iran, with the canton of Zug emerging as a key destination.
Court slams deportation decision - man dead
A deportation case is sparking controversy after the death of a 29 year old Ukrainian man who was returned from Zurich to a war zone.
Housing scam rampant
Police are warning of increasingly sophisticated rental scams targeting people searching for housing online.
Asylum applications could be carried out abroad - but will be difficult
A new government report says asylum applications carried out abroad would be legally possible, but difficult to implement.
Move to allow cancer survivors to refresh health insurance
Cancer survivors could soon gain stronger protection when applying for private insurance.
