Is the zakaat al-fitr that his father paid on his behalf in cash acceptable?

No File Exists
Check below answers in case you are looking for other related questions:
The rate of zakaat al-fitr
Voluntarily giving more than a saa’ for zakaat al-fitr

No File Exists
Related Answers:
Ruling on zakaat al-fitr and how much is to be paid
To whom should zakaat al-fitr be paid?
Is zakaat al-fitr due from one who did not fast in Ramadaan because of a valid excuse?
The rate of zakaat al-fitr
Voluntarily giving more than a saa’ for zakaat al-fitr

Recommended answers for you:
Khula’: definition and how it is done
Will children who die young go to Paradise or Hell?
Salaat al-tawbah (the prayer of repentance)
Acceptance of repentance
Should Taraweeh prayer be offered individually or in congregation? Is completing the Qur’aan in Ramadaan bid’ah?