In a fair world - benefits would-be split - so decent NRPs would get the proportion equivalent to the time children spend with them - tossers would get nothing.
We got toally shafted by CSA - we had 1.4 of Dhs children - the 1 was permanent and full time - never with mum.
CSA assessed her as due to pay us - however she never paid and we never enforced collection of the money - these arrears built up for 4/5 years.
When the oldest finished 6th form and was no longe entitled to main - we got hit with a change of circumstance which means we are now paying a woman who is over £4k in CSA arrears to us. According to the CSA that's our tough luck for not enforcing collection.
Thats before you go into the months where they stopped my CB and my TC for my children - because a duplicate claim had been put in for eldest (she claimed she was living there). They did sort it out eventually but it took ages.
The current system is completely messed up.
I for one would like to see decent NRPs get a proportion of benefits equiv to the time the DCs live with them and government recognition that in split families - many children have a need for 2 homes.
An end to the situation where Non resident children have no room or space in the NRPs home because for housing purposes - they aren't classed as a member of the family.
It's about time the legal system caught up with modern reality.