I realised that I started using acronyms that may not be obvious to all.
AR – Assistant Referee
AAR – Additional Assistant Referee
GLT – Goal-Line Technology
RA – Referees’ Association
FA – Football Association
DA – District Association
FOP – Field Of Play
PA – Penalty Area
GA – Goal Area
GK – Goal Kick / Goal Keeper
CK – Corner Kick
KO – Kick Off
PK – Penalty Kick
DFK – Direct Free Kick
IDFK/IFK – Indirect Free Kick
LOTG – Laws of the Game
FLOTG – Futsal Laws of the Game
SLD – Second Last Defender
PIADM – Playing In A Dangerous Manner
USB – UnSporting Behaviour
PI – Persistent Infringement
FRD – Failure to Respect required Distance
SFP – Serious Foul Play
VC – Violent Conduct
OGSO – Obvious Goal-Scoring Opportunity
DOGSO – Denying an Obvious Goal-Scoring Opportunity
OFFINABUS – OFFensive, INsulting and ABUSive language
SC – Second Caution
Refereeing the Beautiful Game 