
I entered one of my dogs as a spectator dog last year at East of England as it was much cheaper than putting her down as nfc.
There was a form to fill in on arrival and she was given a tag to wear,It was a quick and easy process and didn't cause us any hold up at all.
We rarely use benching,so I couldn't see the point in entering her nfc and paying for it,she simply sat in the crate with the dog I was exhibiting
I would definitely use this option again and there is no problem in taking in crossbreeds etc .
The dog in question had been taking part in agility the previous day so her pass was only valid for that day but, Harry the dog I was exhibiting was able to enter the showground via the agility gate on the day beforehand as he is fully kc registered ,so able to go along to agility events as nfc without me having to pay for him.