This is if you are are applying for a visa as an overseas domestic worker (ie for someone who works for you in another country as a nanny, etc who you want to bring to the UK with you).
"You have been working as a domestic worker in the same house as your employer for at least one year immediately before your application, or you have been working in a household that your employer uses regularly for themselves for at least one year immediately before your application, and you can show that there is a connection between you and your employer. "