What type of Affidavit is required for Tourist VISA

USA L1, L2 Visa
1

Hi,

I am going through the list of documents required for tourist VISA and found that they require a Affidavit. Not sure what type of affidavit is required .

Can some one help , how and from where can I get the affidavit?

2

Affidavit not required. It is outdated since long