Penalty on scoring play?

[jimmiececil]

I think there is an inconsistency in the rule for this very situation. For example: Team A’s ball 1st and 10 at the 50 yard line. Team A completes forward pass for 25 yard gain on which Team B is flagged for defensive pass interference. Team A has the option of accepting play and declining penalty or accepting penalty which would give them a first down at the 35 yard line. They can not accept the result of the play and have the penalty added on to the end of the play. If Team A scores a touchdown, then they basically get the result of the play and the penalty is enforced on the try or kickoff. The basic spot of enforcement for a loose ball play moves from the previous spot to the succeeding spot.