to think that DPs ex should look after child off school

[LillaW]

AIBU to think that if my DPs ex keeps their son off school today then she should have arranged the child care - even though it is DPs day to have children. Ex doesn't work and keeps the kids off school at slightest sniffle then expects my DP to take day off work/arrange child care at the drop of a hat. I am divorced and have 50:50 custody of my DCs with my ex - we have an understanding that if you keep the child off school you are responsible for child care no matter who's "day" it is to have the children.

bluespanish

If the mum is recieving CM and it's worked out in the usual way assuming the dad is not a one overnight EOW then the time the child is with him already reduces his liability.

So him refusing to take his child on the days they are unwell if it is as frequently as the op implies could actually end up increasing the amount he has to pay

Op, you make your partner's ex wife sound like the Old Woman who lived in a Shoe she had so many children, she didn't know what to do

If it's your partner's day to have him, technically it's his call whether his child should go to school or not. His mum should just let you know he's not well at handover time. You would be unreasonable to expect her to look after him on your days to have him just because you think she is more available but it's not unreasonable for you to decide whether the sniffly nose warrants a day off school or not.