Two political parties have criticised the regime for undermining parties across the board by imposing a strict party membership reconfirmation process, which saw surprisingly few reconfirm them by Monday's deadline.

However, they said reduced numbers were not likely to impact their respective standing at the general election that has now been delayed until February.

Democrat Party deputy leader Ong-art Klampaibul told the Bangkok Post that only 100,000 of the Democrat Party's 2.5 million members reconfirmed their memberships with the party by midnight on Monday.