The ruling United Right coalition would win parliamentary elections with 34 percent of the votes if elections were held this Sunday.
Were elections to be held in April, Poland's ruling party, the conservative Law and Justice (PiS), would leave its two main opponents far behind by so much that their combined result would still be lower than PiS, a poll has shown.
Poland's main opposition party has urged President Andrzej Duda to clear up doubts related to the financing of his presidential campaign last summer.
Law and Justice (PiS), the ruling party in Poland, leads in the voter support poll, however, a new grassroots movement, the conservative Poland 2050, is hot on their heels.
If elections to Poland's Sejm, lower house, had been held on Sunday, the ruling United Right coalition would have won with 33.2-percent of the vote ahead of the Civic Coalition on 18.5 percent and Polska 2050 on 13.2 percent, a survey has shown.
Two MPs of Polish opposition grouping Civic Coalition (KO) have asked the Supreme Audit Office to investigate grants received by three companies connected with Daniel Obajtek, the CEO of Poland's biggest oil and gas company, PKN Orlen.
Poland's ruling United Right coalition have maintained their 33-percent public backing in the latest CBOS poll.
The ruling Law and Justice party would win parliamentary elections with 37.6 percent of votes if elections were held this coming Sunday.
Poland's VAT gap had reduced the fastest in the EU from 24 percent to 12 percent in the last four years, a deputy finance minister, Jan Sarnowski has told the lower house of Parliament.
Support for the ruling United Right coalition rose by 2 percentage points to 31 percent in February, while support for the main opposition grouping, the Civic Coalition, fell 5 points to 18 percent, the Kantar pollster reported on Tuesday.