There isn't a hard and fast rule against it, the best is somewhat of a general agreement that it should only be done in the 5 minutes directly following the post. But either way its just fricken annoying, especially if it's done while I am reffing.
Marge (F)
HP: 83
EN: 69
Spe: 30 (15)
Ability: Swift Swim
STAT: N/A
OTH: Paralyzed (15%)
2 Recovers/5 Chills
VS.
Barboach (M)
HP: 40
EN: 81
Spe: 52
Ability: Hydration
STAT: -10% Eva
OTH: N/A
2 Recovers/5 Chills
RAIN (3 rounds)
Barboach used Ice Beam
CRIT [<=63] 896/1000: NO
FREEZE [<=100] 176/1000: NO
(10 + (3-1)*1.5) = 13
13 DMG
-7 EN
PARA [<=150] 268/1000: NO
Marge used Surf
CRIT [<=63] 395/1000: NO
(10 + 3 + 3 + (2-2)*1.5) = 16
16 DMG
-6 EN
Action 2
Barboach used Earthquake
CRIT [<=63] 788/1000: No
(10 + 3 + (2-2)*1.5)*.67 = 8.71 = 9
9 DMG
-6 EN
PARA [<=150] 826/1000: NO
Marge used Giga Drain
CRIT [<=63] 395/1000: NO
(8 + 3 + (2-2)*1.5)*2.25 = 24.75 = 25
Marge regained health!
25 DMG
+13 HP
-11 EN
Barboach was knocked out!
Marge (F)
HP: 74
EN: 52
Spe: 30 (15)
Ability: Swift Swim
STAT: N/A
OTH: Paralyzed (10%)
2 Recovers/5 Chills
VS.
Barboach (M)
HP: -1
EN: 68
Spe: 52
Ability: Hydration
STAT: -10% Eva
OTH: N/A
2 Recovers/5 Chills
RAIN (2 rounds)
Waiter Gerard was defeated!
"Quick service tonight."
Marge (F)
HP: 83
EN: 69
Spe: 30 (15)
Ability: Swift Swim
STAT: N/A
OTH: Paralyzed (15%)
2 Recovers/5 Chills
VS.
Barboach (M)
HP: 40
EN: 81
Spe: 52
Ability: Hydration
STAT: -10% Eva
OTH: N/A
2 Recovers/5 Chills
RAIN (3 rounds)
Barboach used Ice Beam
CRIT [<=63] 896/1000: NO
FREEZE [<=100] 176/1000: NO
(10 + (3-1)*1.5) = 13
13 DMG
-7 EN
PARA [<=150] 268/1000: NO
Marge used Surf
CRIT [<=63] 395/1000: NO
(10 + 3 + 3 + (2-2)*1.5) = 16
16 DMG
-6 EN
Action 2
Barboach used Earthquake
CRIT [<=63] 788/1000: No
(10 + 3 + (2-2)*1.5)*.67 = 8.71 = 9
9 DMG
-6 EN
PARA [<=150] 826/1000: NO
Marge used Giga Drain
CRIT [<=63] 395/1000: NO
(8 + 3 + (2-2)*1.5)*2.25 = 24.75 = 25
Marge regained health!
25 DMG
+13 HP
-11 EN
Barboach was knocked out!
Marge (F)
HP: 74
EN: 52
Spe: 30 (15)
Ability: Swift Swim
STAT: N/A
OTH: Paralyzed (10%)
2 Recovers/5 Chills
VS.
Barboach (M)
HP: -1
EN: 68
Spe: 52
Ability: Hydration
STAT: -10% Eva
OTH: N/A
2 Recovers/5 Chills
RAIN (2 rounds)
Waiter Gerard was defeated!
"Quick service tonight."