England seamer Chris Woakes believes clarification needs to be provided to teams in the wake of Faf du Plessis being found guilty of ball tampering in the second Test between Australia and South Africa.
Du Plessis was fined 100 per cent of his match fee by the ICC - but cleared to play in the ongoing third Test, in which he made a century on Thursday - after he was ruled to have applied an artificial substance to the ball in Hobart, in the form of saliva and residue from a mint or sweet that he had been sucking on the field.
Asked for his thoughts on the issue ahead of England's meeting with India in Mohali, Woakes suggested guidance was required from cricket's governing body.
"If you're placing a sweet on the ball that is obviously against the rules. But everything else seems to be a little bit of a grey area," said the 27-year-old, who is expected to return to Alastair Cook's side after sitting out the second Test in Visakhapatnam.
"We won't be changing anything we do when we go out there this week. There's always cameras on you, there always have been, so there's nothing we need to change.
"Hashim Amla said he had chewing gum in his mouth pretty much all day. Is that deemed as wrong and as cheating? I think it needs to be clarified exactly what the problem is.
"At drinks breaks, guys have sweets or mints just to freshen up and keep the energy going, but nothing from a sweet is allowed to go on a ball so therefore we don't do that. It's just a sugar boost really.
"Gatorade has sugar in it as well. We take those drinks on board and then lick our [finger] and put that on the ball. Is that classed as a sugary substance going on the ball? I don't know."
Woakes appears likely to replace Stuart Broad for the third Test between India and England, after the latter sat out training in Mohali on Thursday after sustaining a foot injury last week.
England could also recall Gareth Batty in place of fellow spinner Zafar Ansari.