Hi nicky12345678910,
If this is the state pension then your father can check his tax code for the deduction made or checking payments received or it will be shown on his online personal tax account
Personal tax account: sign in or set up.
The state pension will be 13 x 4 weekly payment.
He can also contact the department of works and pension for the details 0800 731 7898 Monday to Friday 8am to 6pm.
Thank you.