Sri Lanka coach Chandika Hathurusinghe, manager Asanka Gurusinha and Chandimal had previously admitted breaching the "spirit of cricket" by refusing to play for two hours.
Chandimal was charged for changing the condition of the ball in breach of clause 41.3 of the ICC Standard Test Match, ODI and T20I Playing Conditions.
Chandimal has been given a one-Test suspension along with 100 percent deduction of his match fee.
Sri Lanka initially questioned whether the bad light was bad enough but accepted the umpires' call.
Former India bowler Javagal Srinath, the match referee, will hold a hearing following the conclusion of the second Test against the West Indies.
Sri Lanka captain Dinesh Chandimal has been charged for breaching Level 2.2.9 of the ICC Code of Conduct.
Sri Lanka were charged with altering the condition of the ball by umpires Aleem Dar and Ian Gould, who reviewed video of West Indies' first innings on Friday.
West Indies survived two overs to go to stumps at 2/0 in their first innings with Kraigg Brathwaite (2) and Devon Smith at the crease in the three-Test series.
Kusal Mendis was leading Sri Lanka's ambitious push at an unprecedented 453 runs for victory as he scored 102.
Sri Lanka need 277 more on the fifth and final day on Sunday for a still unlikely win in Port of Spain.
With rain forecast in Trinidad, a West Indies declaration appears imminent to try to force an innings victory.
Wicketkeeper Dowrich put on a crucial 90 run-stand with captain Jason Holder for the sixth wicket for the hosts before the latter was given out caught behind after Sri Lanka appealed the umpire's not out decision.
Live Cricket Streaming West Indies vs Sri Lanka Live Match 1st Test, When and Where to watch SonyLiv Cricket Online live Sony Six from Queen's Park Oval, Port of Spain, Trinidad. match broadcast on Sony Six, Sony Six HD and SonyLiv.and get today's match cricket score live updates at IndiaTV sports.
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