But match bans only kick in when a player collects four demerit points in total leaving Roy, a key figure in Eoin Morgan's side, available to feature as England bid to win the World Cup for the first time.
While many members of the home side were not even born when England made the last of three losing appearances in a World Cup final in 1992, the Black Caps have the experience of their heavy defeat by co-hosts Australia in the climax of the 2015 edition in Melbourne to call on.
It is perhaps appropriate that England are facing New Zealand in a final between two sides who have yet to win the World Cup. "They have the potential to be a great one-day team". Fiery, intelligent bowling from young paceman Jofra Archer and wily seam bowling from Chris Woakes cheaply removed the Australian openers, while incisive leg spin from Adil Rashid helped England continue to pick up wickets during the middle overs.
Despite a mixed buildup after they won just three of 18 matches in last 14 months until March this year, Aaron Finch's team entered the tournament as one of the favourites having beaten India and Pakistan in away series.
Along with the England management he took a year to gather ideas and concentrate his thoughts into a plan for the team, with clear demands for the players and an approach to the game based on attacking cricket.
The Cricket World Cup will have a new owner.
Defending champions Australia were dismissed for just 223 after opting to bat first and England romped to victory in only 32.1 overs.
"I have always been a believer that four or five years is long enough".
"We didn't know where it was going to lead us but we thought it was England's best chance of winning a World Cup and they've proved us right so far".
Sri Lankan umpire Kumar Dharmasena eventually gave Roy out, prompting the batsman to request a review. The Kiwis have not played their best cricket in the latter half of the tournament and would be relatively easier opponents as compared to India or Australia. "We struggled against the top teams, and the teams that sat below that, so there was quite a drastic change in the way we played and the way we looked at playing our 50-over cricket".
Morgan, however, will not take anything for granted, especially against Kane Williamson's team who upstaged India in the first semi-final in Manchester. "It will be a matter of the same again trying to produce everything that we can performance-wise but enjoy the day", skipper Eoin Morgan was his relaxed self after the semi-final win.
"I think giving ourselves the opportunity for Sunday's final is brilliant".