New York E-1 Sample Effectiveness Affidavit is a legal document used for filing a petition for adjustment of status for an alien in the United States. The document is used to establish that the alien has been continuously present in the US for at least two years prior to the filing of the application and is otherwise eligible to adjust status. This affidavit is used to prove the alien's physical presence in the US, employment, and other activities in the US since the date of entry. There are three types of New York E-1 Sample Effectiveness Affidavit: 1. Affidavit of Continuous Physical Presence 2. Affidavit of Continuous Employment 3. Affidavit of Other Activities.