Enforcement on Punt Return for a TD

[BoBo]

Play A/K has 4th and 10 form A's 40.

K40 punts to Rs 25 yard line; where R30 receives the ball.

During the RETURN K55 holds R66 at the K45 yard line.

R30 scores a TD.

What is the enforcement of the penalty if any?



Same as above but K55 holds R66 before the ball is punted at K's40 yard line.

R30 receives ball at R's 30 yard line and returns for a TD

What is the enforcement of the penalty if any?