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How the NBA restart rules work for substitute players now

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An animated look at life inside the NBA bubble (2:04)

Maria Taylor depicts what the NBA's bubble will look like in Orlando, Florida, as teams compete for the remainder of the season. (2:04)

What's next for NBA teams now that the transaction window has closed?

Multiple teams made roster moves over the past week, including those included and excluded from the season restart in Orlando, Florida. Players can still opt out of participating, and teams can continue to add players to their rosters, though the rules for those transactions are different moving forward.

Here are answers to the key questions about what's next, what happens if a player gets injured or tests positive for COVID-19, and when trades might be allowed.

MORE: Breaking down the latest roster moves ahead of the NBA restart