Image source, BBC Sport
Semi-automated offside is utilized successful various competitions crossed Europe, including nan Premier League and Champions League - Inter Milan's Henrikh Mkhitaryan (in white) was ruled offside by a toed successful past week's Champions League semi-final first leg
Tom Mallows
BBC Sport journalist
Former Arsenal head Arsene Wenger has projected a alteration to nan offside norm that would mean attackers are onside if immoderate portion of their assemblage is successful statement pinch nan past outfield defender.
Wenger, caput of world improvement astatine world governing assemblage Fifa, says it would reconstruct an advantage to nan attacker that galore consciousness was eroded by nan preamble of nan video adjunct referee (VAR).
Players are presently ruled offside if immoderate portion of nan body, isolated from hands and arms, is beyond nan past defender.
Wenger compared nan suggested alteration to a akin move taken aft nan 1990 World Cup.
At Italia 90 and earlier that tournament, a subordinate was considered offside if he was level pinch nan past defender earlier nan goalkeeper, which resulted successful nan lowest mean goals per crippled successful World Cup history.
"It was successful 1990 aft nan World Cup successful Italy erstwhile location were nary goals scored," Wenger told Bein Sports, recalling nan norm change.
"We decided that location is nary offside immoderate much erstwhile you are connected nan aforesaid statement of nan defender.
"In lawsuit of doubt, nan uncertainty benefits nan striker. That intends erstwhile there's a fraction, nan striker did get nan advantage.
"With VAR this advantage vanished and for galore group it's frustrating."
Trials of nan strategy person taken spot successful Italian younker football, and Wenger said further tests will hap earlier a last decision, which could travel successful 2026.
Any alteration to nan offside norm rests pinch nan sport's law-makers, nan International Football Association Board (Ifab).
Ifab agreed to further trials, conducted by Fifa, astatine its yearly wide gathering successful March.
It says nan purpose of nan tests is to spot whether they "foster attacking shot and encouraging goalscoring opportunities while maintaining nan game's attractiveness".
Any imaginable norm alteration would only travel aft consultation pinch shot stakeholders and proposal from Ifab's shot and method advisory panels.
Those panels see knowledgeable members from nan shot world specified arsenic erstwhile players and referees.
The Premier League, Champions League and different awesome European leagues presently usage semi-automated exertion erstwhile a tight offside determination goes to a VAR review.
Bespoke cameras show a assortment of cardinal elements that find whether an attacking player's assemblage was beyond nan past defender astatine nan nonstop clip nan shot was played.
The exertion was first utilized successful elite-level shot successful England successful nan FA Cup successful February, earlier being adopted by nan Premier League successful April.
As good arsenic changes to nan offside law, nan modern back-pass norm and 3 points for a triumph arsenic nan world modular came successful pursuing nan 1990 World Cup successful an effort to promote attacking play.
There were an mean of 2.71 goals per lucifer astatine nan 1994 World Cup, compared to 2.21 successful 1990.