44 qualifying years (for men), or 39 years (for women) - prior to 6 April 2010 National Insurance Conditions. February 2010 [2020-08-20]. (原始内容存档于2022-02-03).
44 qualifying years (for men), or 39 years (for women) - prior to 6 April 2010 National Insurance Conditions. February 2010 [2020-08-20]. (原始内容存档于2022-02-03).