A: The 2nd half would start with a throw-in for the shooting team resulting from the penalty for the unsportsmanlike foul. The information can be found in the casebook:
12-6 Just prior to the horn sounding to end the first period, B1 commits an unsportsmanlike foul on A1. The possession arrow favours Team B.
Q: Shall the second period begin with a Team B throw-in according to the alternating possession process?
A: No. The period will start with the administration of a Team A throw-in as part of the penalty for the unsportsmanlike foul. The possession arrow will remain in favour of Team B.
12-6 Just prior to the horn sounding to end the first period, B1 commits an unsportsmanlike foul on A1. The possession arrow favours Team B.
Q: Shall the second period begin with a Team B throw-in according to the alternating possession process?
A: No. The period will start with the administration of a Team A throw-in as part of the penalty for the unsportsmanlike foul. The possession arrow will remain in favour of Team B.