Some of the opposition Harmony party - including MP Jūlija Stepaņenko - and Artuss Kaimins (KPL LV) have also signed the proposal.
"Somebody finally has to take on responsibility for the present chaos in the tax system, for failure to meet pre-election promises, for reducing competitiveness of Latvian business, and especially for destabilization of small businesses," said Martins Bondars, the Saeima faction head for the Latvian Association of Regions.
The opposition lawmakers demand resignation also of former finance minister Reirs, saying that during his term in the finance minister’s office decisions contradictory to the interests of Latvian residents and politicians’ promises were made.
The Saeima is likely to decide on the proposed dismissals next Thursday.
The news follow government-backed last-minute changes to the microenterprise tax for small businesses. The amendments are still being revised at the parliament.
However, despite the confusion over the government's tax plans, the vote of no confidence is extremely unlikely to succeed.