What kind of tax form for a nanny

[algebracyco]

First off, I don't know if this should be in the "Taxes" sub-forum or the "Ask a Mustachian", feel free to move if I misplaced it.

My wife was a nanny for a friends child for 9 months of 2016.  The parents of said child are using/used Dependent Care FSA funds to pay her.  We are reporting the money as income, but want a "form" as proof to put in our tax folder.  Does she need a 1099? What kind of 1099?  I have a spreadsheet of her earnings which ties to the parent's spreadsheet, but I want something more formal.  Any thoughts?  Googling started talking about W-2's, but I feel that was overkill.  Gross earnings was roughly 6k.

Any help greatly appreciated.

[SeattleCPA]

This blog post, which I published last week, describes the rules for Washington state:

http://evergreensmallbusiness.com/washington-state-household-employees-independent-contractors/

The point of view is from the household employer, but it gives you the answer. (The parents need to send you a W-2.)

You should be able to point the parents/employer to the post if they question need for W-2.