Without any prior notice, USCIS announced on December 23, 2016, that new versions of most immigration forms would be required as of December 23, 2016, except for the Form I-129. The affected forms include the following: I-90, I-102, I-129, I-129CW, I-129F, I-130, I-131, I-131A, I-140, I-191, I-192, I-212, I-290B, I-360, I-485, I-485 Supplement A, I-525, I-539, I-600, I-600A, I-601, I-601A, I-612, I-690, I-694, I-698, I-751, I-765, I-800, I-800A, I-817, I-824, I-910, I-924, I-924A, I-929, I-942, I-942P, N-300, N-336, N-400, N-470, N-600, and N-600K. AILA immediately contacted USCIS to inform it that the public should have been given notice and to demand that a grace period should be provided. USCIS responded that it will be flexible and exercise discretion in deciding whether to accept the older version of the forms.