You can now pay taxes to the Swedish Tax Agency via Swish. However, this is currently only available to private individuals, not businesses. It's easy to do.

General controls limit opportunities for self-correction. From August 1, new rules regarding self-correction and tax surcharges will apply. The rules regarding tax surcharges for self-correction

Municipalities that lease land or port facilities to boat clubs must charge VAT. The ruling was handed down yesterday by the Supreme Administrative Court. Leasing of property rights is exempt