The standard rate is seasonal: CHF 2.50 per person per night from 1 April to 31 October, and CHF 2.20 per person per night from 1 November to 31 March. The requested highest standard adult rate is CHF 2.50 per person per night. The page states that the tax applies to visitors aged 16 and over.
The page states that the tax applies to visitors aged 16 and over; therefore, visitors under 16 are not included in the stated charge. No other exemptions or reduced rates are specified for Interlaken.
Hosts must register with the commune and observe a 5-night minimum stay rule reported locally — confirm with Interlaken Tourismus