Sri Lanka has tripped a tax on Maldive fish imported from its South Asia neighbour and also raised a tax on fresh fish 30 per cent as a coronavirus outbreak from a fish-market reduced domestic demand.

A special commodity levy on Maldives fish was almost tripled to 302 rupees a kilogram from 102 rupees while with effect from October 27 for six months, a gazette notice said.
 
Sri Lanka can raise taxes by midnight gazette literally while people are sleeping, increasing uncertainty

https://economynext.com/sri-lanka-triples-maldive-fish-tax-dried-fish-doubled-as-covid-19-fears-hit-fisheries-75600/