The International Cricket Council (ICC) has asked Pakistan's Cricket Board (PCB) to provide video footage of Sunday's spat between South Africa all-rounder Andrew Hall and Pakistan's Yousuf Youhana.
The pair clashed in the 13th over of Pakistan's innings in the second one-day international in Lahore on Sunday. Television replays suggested Hall had barged into Youhana as he was taking a single.
Hall then confronted the batsman, touching his bat and thrusting his face into Youhana's, who responded angrily before umpire Nadeem Ghouri stepped between the players. The two were cautioned by umpire Darrell Hair.
"We have been asked to provide video footage to them of the whole match," PCB Chief Executive Rameez Raja told Reuters on Tuesday.
"The impression we have got is that the ICC is to investigate the incident," he said.
The Pakistan team did not file a complaint about the incident to match referee Clive Lloyd and neither umpire reported it.
Under the ICC's Code of Conduct, if an incident is not reported to the match referee, the chief executive has five days from the close of play on the day the incident took place to lay a charge against a player or official.
This was increased from 24 hours in June this year, following an incident in the West Indies between Ramnaresh Sarwan and Glenn McGrath of Australia that was not reported, nor brought to the ICC's attention until after the time limit had expired.
Pakistan manager Haroon Rasheed said Pakistan had first decided to complain for a level two charge against Hall but then dropped the idea in the better interest of the game.
"We thought it would not help the spirit of the series and might create bad blood. That is why we decided to let it go," Rasheed said.
The ICC said it would wait until it received a full report from the match referee and would also review the available footage of the incident before deciding if any charges should be brought.
