SEC Finalizes Rules for Move to T+1

The final rules will also improve the processing of institutional trades, says the SEC, by requiring a broker-dealer to either enter into written agreements or establish, maintain, and enforce written policies and procedures "reasonably designed to ensure the completion of allocations, confirmations, and affirmations as soon as technologically practicable and no later than the end of trade date".

https://www.finextra.com/newsarticle/41810/sec-finalises-rules-for-move-to-t1