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Input VAT invoice supervision upgraded under China Golden Tax Phase IV! Kailing Technology full-process (collection, verification, storage, archiving) compliance solution

Published: 2025-07-16 16:25

With the deepening advancement of the China Golden Tax Phase IV system, tax authorities rely on big data to achieve penetrating supervision of the full lifecycle of enterprise invoices. In particular, mandatory requirements have been set for the archiving of fully digitalized e-invoice XML source files and the compliance of electronic accounting vouchers — "where paper printouts are used for reimbursement, accounting, and archiving, the electronic accounting voucher source files must also be preserved" (Ministry of Finance Document No. 6). With regulatory scrutiny high, traditional enterprise input VAT invoice management models are facing severe challenges.


I. Under Intense Regulatory Pressure, Enterprises' Invoice Management Pain Points Become Prominent

Risk of duplicate/fraudulent reimbursement surges:Manual entry and verification are inefficient; duplicate reimbursements and fake invoices mixed in lead to financial distortion, inflated costs, and even crossing the legal red line of tax evasion (risks of embezzlement and corruption charges).

▪ Missing archiving of fully digitalized e-invoice XML source files:Policies explicitly require retaining the XML source files of fully digitalized e-invoices (Ministry of Finance Document No. 6, Accounting Archives Management Measures Order No. 79), and traditional processes make it difficult to ensure compliant retention.

▪ Malicious red-letter reversal is hard to guard against:A supplier unilaterally issues a red-letter reversal of an already recorded invoice, and the enterprise passively suffers financial chaos and tax risks.

▪ High cost of managing massive vouchers:Paper invoice scanning, binding, and archiving take a long time, and management requirements for electronic originals of external vouchers (electronic invoices, receipts, etc.) increase compliance burden.


II. Interpretation of Core Policy Compliance Requirements

1. Electronic originals are "king":External electronic vouchers (such as fully digitalized e-invoices and electronic receipts) must retain electronic source files (PDF/OFD/XML); paper printouts alone are invalid (Ministry of Finance Document No. 6).

2. Mandatory archiving of fully digitalized e-invoice XML:Fully digitalized e-invoices must be downloaded and saved as XML structured data files, which serve as the only legal electronic original.

3. System anti-tampering and anti-duplicate booking:The accounting system must have anti-tampering and anti-duplicate accounting capabilities, and ensure the secure and reliable transmission and storage of electronic vouchers (Ministry of Finance Document No. 6).

4. Electronic archive management standards:An electronic archives management system compliant with the Administrative Measures for Accounting Archives must be established to ensure long-term readability, searchability, and loss prevention (National Archives Administration Order No. 79).


III. Kailing Technology: Full-Process Automated Input VAT Invoice Compliance Solution

In response to rigid policy needs and enterprise pain points, Kailing Technology creates a closed loop for input VAT invoice management featuring "dual-pool linkage of actual receipts and receivables, full-chain automation":

1. Intelligent collection and high-speed authenticity verification and duplicate checking:

Supports rapid collection of invoice images through multiple channels including document cameras, scanners, and mobile mini-programs.

Real-timeCarry out authenticity verification and duplicate checking: Automatically trigger verification of the four key invoice elements (key face information) and duplicate checking against full historical data upon entry, intercepting problematic invoices at the entrance.

Intelligent collection and high-speed authenticity verification and duplicate checking:

2. Dual-pool intelligent comparison, avoiding risks at the source:

Accounts receivable invoice pool: automatically synchronizes the full enterprise invoice data (including fully digitalized e-invoice XML/PDF) from the tax bureau's digital account.

Actual received invoice pool: collects information on invoices actually received by the enterprise.

OCR intelligent comparison and verification: Through OCR technology, the actual received invoice information (buyer and seller information, items, amounts) is automatically compared with the official data in the "receivable pool," and abnormal information is highlighted in red with real-time alerts to ensure invoice authenticity and consistency.

Intelligent collection and high-speed authenticity verification and duplicate checking:

3. Automatic matching and archiving of fully digitalized e-invoice XML source files:

Based on the invoice number, the system automatically precisely matches and archives the fully digitalized e-invoice XML source file from the "receivable invoice pool," 100% meeting policy requirements.

Non-fully digitalized e-invoices only require archiving of electronic files (PDF/OFD), clearly distinguished for management.

Automatic matching and archiving of fully digitalized e-invoice XML source files:

4. Direct connection to tax authority for posting identification, completely eliminating red-flush risks:

For successfully matched invoices, the system automatically marks the accounting status through the Electronic Tax Bureau. Once marked, suppliers cannot privately issue red-letter reversals, fundamentally protecting enterprise rights and interests.

Automatic matching and archiving of fully digitalized e-invoice XML source files:

5. Paperless archiving and flexible output:

Achieve fully online paperless archiving of e-invoices (including XML), greatly reducing management costs.

For scenarios requiring paper archiving (such as attaching paper invoices): the system automatically prints voucher/expense reimbursement information lists, matches and binds them with paper invoices, meeting traditional audit requirements.


IV. Application value: compliance and cost reduction, controllable risks

A certain large manufacturing group: After applying the Kailing solution, it achieved automatic archiving of fully digitalized e-invoices, intercepting hundreds of duplicate/problematic invoices monthly on average, and financial review efficiency increased80%, tax audit risk significantly reduced.

A chain retail enterprise: through the "tax bureau posting identifier" function, it successfully blocked 3 malicious red-letter reversal incidents by suppliers, avoiding direct economic losses of more than 1 million yuan and safeguarding the authenticity of financial reports.

A high-tech enterprise: full-process electronic management reduced invoice archiving costs by 70%, improved audit retrieval efficiency by 90%, and easily handles policy compliance inspections.


Under the new "tax governance by data" ecosystem built by China Golden Tax Phase IV, the standardization, electronification, and automation of invoice management have become inevitable. Kailing Technology input VAT invoiceManagementThe solution deeply integrates policy requirements with technological innovation, building for enterprisesFull-processRisk control barrier, helping enterprises efficiently respond to regulatory upgrades and achieve a comprehensive leap toward safe, compliant, and intelligent business-finance-tax management.

Consult Kailing Technology to obtain a customized solution:https://www.kailingteck.com/h-col-108.html



As a comprehensive business-finance-tax digitalization solution service provider, Kailing Technology provides business-finance-tax management digital transformation products and operational services for various government agencies, institutions, and large, medium, and small enterprises. The product line includes:

Solutions for sales contract management system, procurement contract management system, fully digitalized Leqi interface project, automatic output VAT invoicing system, invoice issuance for individuals system, employee expense control and reimbursement system, input VAT invoice management system, supply chain collaborative reconciliation system, imaging OCR recognition system, automatic financial bookkeeping system, electronic accounting archives system and other businesses, comprehensively advancing the digitalization process across various fields.

If you have any business-finance-tax digital transformation needs, welcome to contact us. Beijing Kailing Technology will serve you wholeheartedly.

Application value: compliance and cost reduction, controllable risks



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Common Questions
Under China Golden Tax Phase IV, what compliance requirements must enterprises meet for input VAT invoice management?
It must meet the following: 1) Electronic vouchers must retain source files (fully digitalized e-invoice XML, PDF/OFD); paper printouts alone are invalid (Ministry of Finance Document No. 6); 2) The structured data file of the fully digitalized e-invoice XML must be archived mandatorily; 3) The system must have tamper resistance and duplicate bookkeeping prevention capabilities; 4) Establish an electronic archive system compliant with the Measures for the Management of Accounting Archives to ensure long-term readability and retrievability.
How does Kailing Technology prevent suppliers from maliciously red-flushing invoices already posted?
Through the tax bureau's direct connection booking identification function, the Kailing solution automatically marks successfully matched invoices with booking status in the electronic tax bureau. Once marked, suppliers cannot privately issue red-letter reversals, eliminating malicious red-letter reversal risks at the source. A chain retail enterprise successfully blocked 3 malicious red-letter reversal incidents, avoiding losses of over RMB 1 million.
How are fully digitalized e-invoice XML source files automatically matched and archived?
Based on the invoice number, the system automatically precisely matches and archives the XML source file of fully digitalized e-invoices from the "receivable invoice pool" (synchronized with the tax authority digital account data), 100% meeting policy requirements. For non-fully digitalized e-invoices, only electronic files (PDF/OFD) are archived, with clear differentiated management.
What practical benefits can Kailing Technology's input VAT invoice solution bring?
After application by a certain large manufacturing group, hundreds of duplicate/problematic invoices were intercepted monthly on average, and financial review efficiency increased by 80%; a certain chain retail enterprise blocked malicious red-ink reversals through posting identification, avoiding losses exceeding one million yuan; a certain high-tech enterprise reduced invoice archiving costs by 70% and improved audit retrieval efficiency by 90%.
How does Kailing Technology achieve invoice authenticity verification, duplication checking, and risk interception?
Supports multi-channel collection via document cameras, scanners, mini-programs, and more; upon entry, it automatically triggers verification of the four key invoice elements and deduplication against full historical data, intercepting problematic invoices at the entry point. At the same time, OCR intelligently compares the "receivable invoice pool" with the "received invoice pool" data, with abnormal information highlighted in red in real time, ensuring the invoice content is authentic and consistent.
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