Right Enforcement?

[VALJ]

Casebook 8.2.2.B: On the last timed down of the second period, Team A (a) scores a field goal or (b) scores a touchdown. In both cases, the opponents of the scoring team commit a live ball foul. RULING: In (a) the offended team has the option to keep the score, with the penalty assessed on the second half kickoff as this is the succeeding spot. In (b) the offended team has the option to keep the score, with the penalty assessment on either the try or on the second half kickoff as this would be the subsequent kickoff.

Doesn't say anything about what type of live-ball foul occurs.