Why do I need to put my tax registration number (TRN) on all accounts in my organization in AWS Organizations?

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I want to know why I need to put my tax registration number on all accounts in my organization in AWS Organizations. For example, adding a VAT number, VAT ID, GSTIN, or VAT registration number on each applicable account.

Short description

AWS assesses whether tax is due on the usage of each individual account based on the following:

  • Each account's contact address.
  • Each account's billing address.
  • Each account's Tax Registration Number (TRN), if applicable.

Adding a TRN to each applicable account means that the relevant TRN appears on each of your tax invoices. This allows you to claim credits from your local tax authorities, if applicable.


Adding a TRN, business legal name, and business legal address to each of these accounts in your organization does the following:

  • Identifies each account as a "Business" customer.
  • Helps determine if AWS needs to collect tax for each individual account.
  • Allows AWS to issue tax-compliant invoices for each applicable account.

The TRN on a member account can be the same as the TRN on the payer account. Accounts with the same TRN are grouped together on a single, itemized VAT invoice. If there are accounts in your organization without a TRN, then each account receives its own tax invoice, if applicable.

If your organization includes different legal entities or different countries, you can have different TRNs for each account. Payer accounts in an organization can check or update multiple linked accounts at the same time.

Example organization setup

For example, assume that your organization has the following:

  • A payer account with a specific TRN.
  • Four member accounts with the same TRN as the payer account.
  • Six member accounts without a TRN.

You receive a total of seven VAT invoices:

  • One VAT invoice for the five accounts sharing the same TRN.
  • One invoice for each account without a TRN.

If your TRN is applicable to the six accounts that don't have a TRN, then you can add the TRN to these accounts. If you add the TRN to these accounts, then you will receive one VAT invoice for the six accounts.

Tax settings inheritance

You can use the tax registration number of the payer account for your linked accounts by enabling your tax settings inheritance.

  • When you turn on tax settings inheritance, the tax registration information on the payer account is added to all accounts in your AWS Organizations account. This feature saves you the effort of registering redundant information.
  • After you turn on tax setting inheritance, the tax information on all accounts in your organization is consistent. You receive a single tax invoice that consolidates the usage from all accounts in your organization.

For information on how to turn on tax settings inheritance, see Turning on tax setting inheritance.

Related information

How do I add or update my tax registration number or business legal address for my AWS account?

What do I do if the tax I'm charged for AWS services is incorrect?

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