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Fully digitalized e-invoice reimbursement duplicate-checking methods and notes: make financial work easier and more efficient!

Published: 2025-04-08 15:58

With the popularization of fully digitalized e-invoices, the number of invoices enterprises receive continues to increase, and employees may submit duplicate reimbursements. The following are two methods to avoid duplicate reimbursement, which enterprises can choose according to their actual situation.


I. Use Excel spreadsheets

Use Excel spreadsheets

1. Establish ledger tables

    Create a ledger table in Excel to record information such as invoice number, amount, and reimbursement date.

    Because invoice numbers are unique, you can set the invoice number column in the table to check for duplicates using unique values.

2. Operation Steps

    Select the invoice number column, click the "Data" tab, select "Data Comparison", then mark duplicate data.

    Duplicate content is automatically flagged, making it easy for finance staff to identify quickly.

3. Pros and limitations

    Pros: Free, suitable for companies with small invoice volumes.

    Limitations: invoice information needs to be entered manually, which takes a long time; when the invoice volume is large, manual screening is inefficient.

4. Actual cases

A certain small technology company receives approximately 50 invoices per month, managed through an Excel ledger. Finance personnel spend about 1 hour daily on entry and duplicate checking, effectively avoiding duplicate reimbursement issues. However, as the company's business expanded and invoice volume increased to 200 per month, this method gradually became inadequate.


II. Use the invoice management system

LingShuiTong input VAT invoice management systemProvide two solutions, suitable for enterprises of different sizes

Use the invoice management system


1. Employees use the system for reimbursement (suitable for most companies)

    Employees throughLingshuitongSubmit the reimbursement form, and the system automatically verifies invoice authenticity and checks for duplicates.

    If the invoice is duplicated, the system will prompt that it cannot be submitted; if there is no duplication, it will automatically push it to the leader or finance for review.

    SupportUse the system on computer and mobile, and supportMultiple invoice import methods (such asScanner gun QR code entry, card package import, WeChat chat file import, email import, photo recognition,PDFMultiple methods such as import and scanner entry)。

Use the invoice management system


2. Financial personnel help employees with reimbursement (suitable for state-owned enterprises, central enterprises, law firms, etc.)

    Employees send e-invoices to finance, and finance personnel throughLingshuitongImport invoices on PC and submit reimbursement formsThe system displays reimbursement status in real time

    The system automatically verifies authenticity and checks for duplicates, and duplicate invoices willYesA prompt box pops up

    Supports import of PDF, OPD, XMLfully digitalized e-invoices in the format

Use the invoice management system


3. System advantages

High degree of automation:Reduce manual operations and lower error rates.

Supports multiple file formats:Convenient and fast, adaptable to different scenarios.

  Duplicate invoice alert:Avoid omissions and ensure financial data accuracy.

4. Actual cases

A certain large manufacturing enterprise receives approximately 10,000 invoices per month. After adopting the LingShuiTong invoice management system, the duplicate reimbursement rate dropped from the original 5%Is 0, financial review efficiency improved80%. The system's automatic verification and duplicate-checking functions save enterprises about 500,000 yuan in management costs each year.



Duplicate reimbursement is a common problem in corporate financial management, but it can be effectively avoided through the reasonable selection and use of tools. For enterprises with a small invoice volume, an Excel spreadsheet is an economical and practical choice; for enterprises with a large invoice volume,Kailing Technology·LingshuitongInvoice Management SystemThen it is a more efficient and reliable solution.

In the future, with the continuous advancement of technology, invoice management will become more intelligent and automated,Kailing Technology will alsoBring greater convenience and protection to enterprise financial management.

Choose Kailing's input VAT invoice management system now and start a new era of intelligent invoice managementMake enterprise finance and tax management easier and more efficienthttps://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.

Actual cases



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Common Questions
How do you check for duplicates in fully digitalized e-invoice reimbursement?
There are two methods: first, use Excel to build a ledger and set unique values for the invoice number column for duplicate checking, suitable for companies with a small invoice volume; second, use Lingshuitong's input VAT invoice management system. When employees submit reimbursement forms, the system automatically verifies authenticity and checks for duplicates, duplicate invoices cannot be submitted, and the finance side also has a prompt box. It supports PDF, OFD, and XML formats, suitable for enterprises with a large invoice volume.
How does Lingshuitong System avoid duplicate reimbursement?
When employees submit reimbursement forms through LingShuiTong, the system automatically verifies invoice authenticity and checks duplicates; duplicate invoices prompt that submission is not possible. When finance staff help employees reimburse, the system automatically verifies authenticity and checks duplicates after importing invoices, and duplicate invoices pop up a prompt box. It supports computer terminals, mobile terminals, and multiple import methods such as barcode scanners, photo capture, and PDF import.
Which is better, Excel duplicate checking or system duplicate checking?
Excel is free but requires manual entry, suitable for small companies with about 50 invoices per month; after invoice volume grows to 200, efficiency is low. The Ling Shui Tong system is highly automated, supports import in multiple formats, can reduce the duplicate reimbursement rate to 0, and improves review efficiency by 80%. It is suitable for enterprises with tens of thousands of invoices per month and can save about RMB 500,000 in management costs each year.
What are the notes for fully digitalized e-invoice reimbursement?
The key is to avoid duplicate reimbursement. Small companies can use an Excel ledger to check for duplicate invoice numbers; large companies are advised to use the LingShuiTong system for automatic authenticity verification and duplicate checking. The system supports PDF, OFD, and XML formats, and duplicate invoices will prompt that submission is not possible or pop up a warning, ensuring the accuracy of financial data.
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