He doesn't want to confirm if he will favour the proposition to raise rates again in October, merely saying that he believes it to be "necessary to adjust degree off monetary easing to bring rates closer to neutral". With Takaichi struggling to form a new government, this could be their final shot in trying to sneak in one more move just in case she starts to run the show.
Tamura also says that they are still monitoring incoming data, especially that on tariffs. And for now, he does not want to make any preconceptions on that with two weeks to go until the decision day.