Penalty under Sec 275(1A) income tax

Assessment officer assess the income of assesse u/s 143(3) and pass the order of assesssment and also penalty order. but assesse filed an appeal agst the penalty order of ao to the CIT (A). then whether assesse have to pay the penalty amount as per order passed by AO or can take stay tiill the appeal is pending before CIT(A)?

and if he paid the penalty whether he will get refund of that if cit(a) give decision in favour of the assesse?