There are more circumstances allowing forfeiture of Pension in the public service compared to those in the private sector.
Reg 6(1)(b)-(d)of The Occupational Pension Schemes (Assignment, Forfeiture, Bankruptcy etc.) Regulations 1997 states it can be forfeited where,
"(b)a person in respect of whom a pension is or would have been payable has caused a monetary loss to the scheme as a result of—
(i)a criminal, negligent or fraudulent act or omission by him, or
(ii)in the case of a trust scheme of which the person is a trustee, a breach of trust by him;
(c)in the case of a public service pension scheme—
(i)the member is convicted of an offence committed in connection with his service as a public servant, and
(ii)a Minister of the Crown certifies that the commission of that offence has been gravely injurious to the interests of the State or is liable to lead to serious loss of confidence in the public service;
(d)in the case of the Armed Forces Pension Scheme—
(i)the member is convicted of an offence committed in connection with his service as a member of the Armed Forces, and
(ii)the Secretary of State considers that offence to have been gravely injurious to the defence, security or other interests of the State."