Can we use blue ink in filling up and signing our forms? Or do we have to use black ink? Posted on August 1, 2014August 1, 2014 by Mrs. Presson All the forms available on USCIS.gov, both on the instruction PDF file and the form itself has it clearly stated: “Type or print in black ink.” or “Type or print legibly in black ink.” It is a simple instruction and may be trivial for some, but not abiding by this simple instruction may get you…