A 'check' must be a clearly stated verbal declaration or an obvious physical movement in turn. A player wishing to 'check' their option to bet, should clearly announce 'check' or visibly tap the table with an empty hand or fist.
A player checking their action waives their right to initiate the betting round, but retains the right to 'call,' 'raise,' 're-raise,' or 'fold,' if another player initiates the betting.
A 'check' is not considered action changing.
A check-raise will be allowed.
Any player intentionally misleading their intention to 'check,' by placing chips in his/her hand prior to checking, may be obligated to commit those chips to the pot and will incur a penalty.
In certain situations, a player with the last right of action that 'checks' an undisputable winning hand, 'the nuts,' will incur a penalty and may be found guilty of soft playing; that may result in 'disqualification.'