On March 10, 2023, the JPO issued another notice regarding the termination of prepayment deposits by patent revenue stamps.
Pre-payment by patent revenue stamps will end as of March 31, 2023.
After April 1, 2023, "electronic cash" will be used for prepayment through the Internet filing software.
As a result, all procedures from payment to submission of prepayment forms will be completed online.
As for the payment in writing, the payment procedure will be conducted with the "Cash Payment Form".
Japan Patent Office
https://www.jpo.go.jp/system/process/tesuryo/yonou_oshirase.html