In a chapter 13 case, to participate in distributions from the bankruptcy estate, unsecured creditors must file their claims with the court within 90 days after the first date set for the meeting of creditors. Fed. R. Bankr. P. 3002(c).
They may have nylon or steel strings. The strings of a six-string guitar are tuned to E, A, D, G, B, E, a fourth apart except for the major third interval between B and G. Frets are placed by the fret rule one-eighteenth the remaining length of the string. This makes them a semitone apart.
For most 6-string guitars, total tension (the total tension of all six strings) around 160 pounds is generally structurally safe and works nicely. For most 12-string guitars, total tension (the total tension of all twelve strings) around 260 pounds is generally structurally safe and sounds good.