“….the correct approach, [which] is to treat all relevant circumstances as factors which have to be balanced together to reach an assessment or evaluation on a case-by-case basis as to whether due care and diligence was exercised and, if not, whether the failure was the cause of the contributor’s ignorance of his obligation to pay contributions when he was bound or entitled to pay them.” … “… I do not think it is possible to produce a definitive list of relevant factors. However, they would include the contributor’s age and any relevant physical disability or incapacitation. …Knowledge of the NIC scheme is also likely to be a very important factor.” “Moreover, there cannot logically be an absolute rule that, if the contributor has knowledge of the existence of some aspect of the NIC scheme, he can never show that he exercised due care and diligence unless he made further enquiries about his rights or obligations.”
“Having two separate collection methods for Class 2 and Class NICs causes confusion…”