Where do you see this form listed as being required?
"Return the completed Personal Application Form and the Notice of
Acknowledgement (Probate) Form to: The Probate Office, Courts
Service, Phoenix House, Smithfield, Dublin 7 or to the relevant
District Probate Registry together with
2. Original death Certificate (or a Coroners Interim Certificate of death if
no Death Certificate has yet issued).
3. Photocopy of the original will and codicil(s) (if any) - do not attach
anything to the original will/codicil or remove any staples, pins,
fasteners or binding when copying"