Does anyone know the answer to this query.

Ive got a cousin that wants to come to l.o.s.for a long stay of 4 months, he gets paid state pension and a disability payment due to a severe illness + a small amount of pension credit top up. does he have to notify the u.k pension etc etc department what is plan for the long stay is? if so will they stop the payment to the last 2 items ? and if that is so will he have to start fresh claims all over again when he arrives back in the u.k???

Thank you. 

whilst  i do not know the exact cut off points   for these benefits/pensions   but there are rules in place    best to check on the gov  org site    just be very careful   who you inform    for instance if he is in receipt of mobility allowance   this cannot be reinstated after a certain age give it up you loose it  i suggest for a short period of time ie 4 months   keep quiet