To assist with your Bukiwaza training and preparation for certification, if desired, here are some videos showing what is required and the type of presentation style for assessment. The videos listed are not (necessarily) the complete requirements for the levels listed:
7 Ken Suburi
Ken Happo Giri
13 Jo Kata Video 1 (Upper Body Focus)
13 Jo Kata Video 2 (Foot Work Focus)
13 Jo Kata Complete