96599
Securities market use Buy-in rule on the UK equity market On the English stock exchange , a transaction by which , if a member has sold securities which he fails to deliver on settling day , or any of the succeeding ten days following the settlement , the buyer may give instructions to a stock exchange official to " buy in " the stock required .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 English