求翻译：中心所在地国税局申请办理退税之前，应在规定的认证期限内对购进国产设备取得的增值税专用发票办理认证手续，未认证或认证未通过的一律不得申报退税是什么意思？

Central location to apply for refund before the IRS, should be certified within the period specified on the purchase of domestic equipment to obtain VAT invoices for certification procedures, no certification or certification shall not be declared by the tax

centers are located at application for tax rebate tax bureau, should be provided before the certification period for domestic equipment purchased the VAT receipts to apply for certification, not certification or authentication is not adopted by the Attorney General shall not declare a tax rebate

Central locus Internal Revenue Service applies handles in front of the tax reimbursement, should in the stipulation authentication deadline to purchase the increment duty special-purpose receipt which the domestically produced equipment obtains to go through the authentication formalities, authentic

Center before IRS application for rebate, should provide certification period for VAT invoices obtained purchasing domestic equipment for the certification procedures without authentication or authentication fails the prohibited filing tax returns

Central location to apply for refund before the IRS, should be certified within the period specified on the purchase of domestic equipment to obtain VAT invoices for certification procedures, no certification or certification shall not be declared by the tax