"We have tried here to limit registration and supervision to people who go in for the minding of children as a business. We do not want in any way to interfere with the kindly relative or friend who looks after one or two children while the mother is away.
The neighbour who looks after children will not be interfered with so long as the children come from one household or, if they come from more than one household, they do not number more than two."
So back in 1948 that Bill intended that situations like the two police women would not fall under the regulations.
The 1948 Act was repelled (is that the right term) by the Children Act 1989, Part XA was added by Care Standards Act 2000 and was was subsequently repelled (in England) by the Childcare Act 2006.
All these Acts refer to "for reward" but don't seem to define that.
Before 1997? Does that mean you have found some change that occurred in 1997 - was something asked in parliament / lords about reciprocal arrangements?