American Football Rules IFAF Approved Ruling 6-5-5:I and III

I. B1 and B2 each signal. B1 muffs, and B2 is about to catch the muffed ball when A1 grabs and pulls him to the ground. RULING: Not interference, but holding. Penalty — 10 yards from the previous spot or from the spot where the subsequent dead ball belongs to Team B. [Cited by 6-5-5]

III. B1 catches the punt after B3 signals for a fair catch. RULING: The ball is dead when and where caught. B1 is not entitled to catch protection but is entitled to the same protection he has
after any other dead ball (Rule 6-5-1-d). [Cited by 6-5-1-d, 6-5-5]