The ICC today gave its seal of approval to the day/night Cricket Test matches. However, the ICC left it to the member Boards to decide on the type and colour of the ball to be used. The ICC also announced new playing conditions for Tests, ODIs and T20 Internationals ahead of Sri Lanka-New Zealand series beginning tomorrow. With the ICC's decision today, the longest format of the game may be held under lights very soon.The world body also announced a slew of changes in the playing conditions, including powerplays, fielding restrictions and short-pitched deliveries in the ODIs, Decision Review System (in Tests and ODIs), no-ball, dead ball, over-rates, applicable in all the formats and changes in One Over Per Side Eliminator in T20 Internationals. As per the ICC statement, the new playing conditions for Tests, ODIs and Twenty20 Internationals will come into effect with the series between Sri Lanka and New Zealand, which starts in Pallekele on Tuesday, October 30.