欠资平信能否由“局内投交”改为“按址投送”按照邮章规定，从信箱（筒）中取出的未付足资费的平常信函和明信片，除寄交党和国家领导人或县以上（含县级）党政机关的以外，其余的应粘贴改退批条退回寄件人，补足资费后再寄。无法退回补资的，为不影响信件传递，收寄局应... Unfunded funds can be changed from “intra-office delivery” to “delivery by site” In accordance with the provisions of the postal regulations, unpaid footfalls and postcards taken from mailboxes (boxes) Other than the party and government agencies at or above the county level (including the county level), the rest should be returned to the sender to return the sender, make up the charges before sending. Unable to refund the capital, in order not to affect the letter delivery, the receiving bureau should ...