The new rules is effective as of Tuesday, said the China Securities Regulatory Commission (CSRC).

CSRC will impose transaction restrictions on the accounts of and actually controlled by the person under investigation for stock market manipulation and insider trading, according to the rules.

The restricted accounts, including fund and securities accounts, will be barred from buying, or selling shares and other products, or both, for 15 days, said CSRC.

It said the ban can be extended by another 15 days if the violations are very complicated.

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