- https://www.revenue.ie/en/tax-professionals/tdm/income-tax-capital-gains-tax-corporation-tax/part-33/33-03-05.pdf
- https://www.revenue.ie/en/online-services/support/software-developers/documents/aeoi/api-fds-v1.3.pdf
- https://github.com/carmelomarasco/dac7-be-test/blob/main/resources/example/DPIXML_v1.09_2.xml