GST Reverse charge on

Sir, In the case of the dealer the proper officer has been issued a notice to pay the GST with penalty.Sir I want to know that can the dealer reverse his ITC outstanding with the dealer at present and out of ITC/GST paid in next month on purchases outstanding with the dealer.Sir my actual querry is that in the above cited matter the dealer paid the tax out of outstanding ITC with the dealer or in cash.Thanks.