Restrict Access to "Grant-in-Aid" Intercompany Transaction Type Based on User Roles

We currently have three Intercompany Transaction Types configured: Invoice, Journal, and Grant-in-Aid.

We have a requirement to restrict certain users from creating transactions using the Grant-in-Aid transaction type, based on their assigned roles, while still allowing them to create transactions using the other applicable transaction types.

We explored using Page Composer, but the available options only allow us to make the transaction type field read-only. This approach is not suitable because it displays only the default transaction type and does not allow users to select from the other permitted transaction types.

Could you please advise on the best configuration approach to achieve role-based restriction of the