e-Invoice Guideline Version 2.2：Essential Data Fields for E-Invoice Issuance

As per e-Invoice Guideline Version 2.2 (published on 9 February 2024):

There are 55 data fields that are required to issue an e-invoice. These fields are grouped into eight categories:

1. Address

2. Business Details

3. Contact Number

4. Invoice Details

5. Parties

6. Party Details

7. Payment Info

8. Products / Services

根据电子发票指南 2.2 版（2024 年 2 月 9 日发布）：

开具电子发票需要 55 个数据字段。这些字段分为八类：

1) 地址

2) 业务详情

3) 联系电话

4) 发票详情

5) 买卖方

6) 买卖方信息

7) 付款信息

 产品/服务

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