8.13—Answer to charges.
The respondent shall be given a reasonable period of time to file an answer to the charges. The rules of an exchange may provide that:
(a)
The answer must be in writing and include a statement that the respondent admits, denies or does not have and is unable to obtain sufficient information to admit or deny each allegation. A statement of a lack of sufficient information shall have the effect of a denial of an allegation.
(b)
Failure to file an answer on a timely basis shall be deemed an admission of all allegations contained in the notice of charges.
(c)
Failure in an answer to deny expressly a charge shall be deemed to be an admission of such charge.