On November 14, 2019, the Department of Homeland Security published a notice of proposed rulemaking in the Federal Register to adjust the U.S. Citizenship and Immigration Services (USCIS) Immigration Examinations Fee Account (IEFA) fee schedule.  The public comment period is open until December 16, 2019.

Unlike most government agencies, USCIS is fee-funded.  According to the

Today, December 23, 2016, USCIS posted a large number of new form versions. The forms all have an effective date of today, December 23, 2016, and the website indicates that no other versions of the forms are acceptable, with the exception of Form I-129.  It appears USCIS is continuing to accept prior version of Form