# Accessing the underlying data of a shared table
<a name="cross-account-read-data"></a>

Assume that AWS account A shares a Data Catalog table with account B—for example, by granting `SELECT` with the grant option on the table to account B. For a principal in account B to be able to read the shared table's underlying data, the following conditions must be met:
+ The data lake administrator in account B must accept the share. (This isn't necessary if accounts A and B are in the same organization or if the grant was made with the Lake Formation tag-based access control method.)
+ The data lake administrator must re-grant to the principal the Lake Formation `SELECT` permission that account A granted on the shared table.
+ The principal must have the following IAM permissions on the table, the database that contains it, and the account A Data Catalog.
**Note**  
In the following IAM policy:  
Replace *<account-id-A>* with the AWS account ID of account A.
Replace *<region>* with a valid Region.
Replace *<database>* with the name of the database in account A that contains the shared table.
Replace *<table>* with the name of the shared table.

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#### [ JSON ]

****  

  ```
  {
      "Version":"2012-10-17",		 	 	 
      "Statement": [
          {
            "Effect": "Allow",
            "Action": [
              "glue:GetTable",
              "glue:GetTables",
              "glue:GetPartition",
              "glue:GetPartitions",
              "glue:BatchGetPartition",
              "glue:GetDatabase",
              "glue:GetDatabases"
             ],
             "Resource": [
              "arn:aws:glue:us-east-1:111122223333:table/<database>/<table>",
              "arn:aws:glue:us-east-1:111122223333:database/<database>",
              "arn:aws:glue:us-east-1:111122223333:catalog"
             ]
          },
          {
            "Effect": "Allow",
            "Action": [
              "lakeformation:GetDataAccess"
             ],
            "Resource": [
              "*"
             ]
      }
     ]
  }
  ```

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**See Also:**  
[Accepting a resource share invitation from AWS RAM](accepting-ram-invite.md)