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410. Aggregation of Positions

For purposes of Rule 408 and Rule 409, positions in Swaps shall be aggregated in accordance

with CFTC Regulations.

411. Block Trades

(a) The Company may designate any Swap as eligible for Block Trades under this Rule and 

shall determine the minimum size thresholds for the Swaps in which Block Trades are 

permitted. In determining the minimum size threshold, the Company shall take into 

consideration (to the extent available) the size distribution of transactions in the Swap, 

the size distribution of transactions in the related cash markets, and all other information 

relevant to transaction size in the relevant Swap. Participants and Trading Customers 

may enter into Block Trades, at prices mutually agreed, with respect to Swaps that have 

been designated by the Company for such purpose, provided that the conditions in this 

Rule 411 are satisfied. For any Swap subject to an appropriate minimum block trade size 

set by the CFTC pursuant to CFTC Regulation 43.6 and the Appendices to Part 43 of 

the CFTC Regulation, the Company shall not set such appropriate minimum block size 

at a level lower than that of the CFTC.

(b) The following shall govern Block Trades:

(i) Each buy or sell Order underlying a Block Trade must explicitly state whether 

the parties have elected to execute it by means of a Block Trade;

(ii) A Block Trade must be for a quantity that is at or in excess of the appropriate 

minimum block size as set forth in this Rule;

(iii) Block Trades may be submitted to the Company in accordance with this Rule 411 

or executed by RFQ for Permitted Transactions in accordance with Rule 404.B(b);

(iv) The price at which a Block Trade is executed must be fair and reasonable in light 

of (A) the size of the Block Trade, (B) the prices and sizes of other transactions 

in the same Swap at the relevant time, (C) the prices and sizes of transactions in 

other relevant markets at the relevant time, and (D) the circumstances of the 

markets or the parties to the Block Trade; and

(v) Participants or Trading Customers, in accordance with CFTC Regulation 

43.6(h)(6), shall not aggregate Orders for different accounts to achieve the 

minimum block size, except if done by a person who has more than $25,000,000 

in total assets under management and:

(A) Is a commodity trading advisor registered pursuant to Section 4n of the 

CEA, or exempt from registration under the CEA, or a principal thereof, 

who has discretionary trading authority or directs client accounts,

(B) Is an investment adviser who has discretionary trading authority or directs 

client accounts and satisfies the criteria of CFTC Regulation 4.7(a)(2)(v), 

or

(C) Is a foreign person who performs a similar role or function as the persons 

described in paragraphs (A) or (B) of this Rule and is subject as such to 

foreign regulation.

(vi) Each party to a Block Trade must be an Eligible Contract Participant.
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(vii) Participants or Trading Customers, in accordance with CFTC Regulation 

43.6(i)(2), transacting a Block Trade on behalf of a customer must receive prior 

written instruction or consent from the customer to do so. Such instruction or 

consent may be provided in the power of attorney or similar document by which 

the customer provides the Participant or Trading Customer with discretionary 

trading authority or the authority to direct the trading in its account.

(c) Block Trades executed off of the SEF:

(i) For Block Trades executed pursuant to these Rules and submitted to the 

Company in accordance with this Rule 411, the Reporting Counterparty to a Block 

Trade, or the Introducing Agent or Account Manager acting on behalf of such 

Reporting Counterparty, as applicable, must report the time of execution, the 

actual notional or principal amount of the Block Trade (as applicable to the Block 

Trade), counterparty and information required pursuant to Rule 414, a notification 

of the election to have the publicly reportable swap transaction treated as a block 

trade (as required by CFTC Regulation 43.6(g)(1)(i)) for each Block Trade to the 

Company as soon as technologically practicable following execution of such 

Block Trade but no later than 5 minutes before the time in which such Block Trade 

would be publicly disseminated by a SDR. The Company will report swap 

transaction and pricing data and Required Swap Creation Data for each Block 

Trade to the SDR as soon as technologically practicable after such information 

has been reported to the Company.

(ii) The Company may, but is not required to, accept and process a Block Trade 

where the Reporting Counterparty is a Participant or a Trading Customer of an 

Introducing Agent or a Client Account of an Account Manager, but the 

counterparty to the trade is not a Participant or a Trading Customer of an 

Introducing Agent or a Client Account of an Account Manager, provided that the 

Reporting Counterparty or its Introducing Agent or Account Manager, as 

applicable, has entered into the appropriate documentation with the Company 

that includes a representation by the Reporting Counterparty or its Introducing 

Agent or Account Manager, as applicable, to the Company that the non-Reporting 

Counterparty to the Transaction (A) is an Eligible Contract Participant, (B) has 

authorized the Reporting Counterparty or its Introducing Agent, as applicable, to 

report the Block Trade to the Company, and (C) agrees that such Block Trade will 

be subject to the Rules and will satisfy any other obligations that the Company 

may prescribe.

(d) Block Trades executed on the SEF:

(i) A Block Trade may be executed on the SEF by RFQ for Permitted Transactions 

pursuant to Rule 404.B(b).

(ii) A Block Trade executed on the SEF may not be executed through the Order Book 

or must occur away from the SEF’s trading platform and be executed pursuant to 

the SEF’s Rules, in accordance with CFTC Regulation 43.2.

(iii) Any Block Trade executed by RFQ on the SEF must:

(A) involve a Swap that is listed by the Company on the SEF;

(B) be executed pursuant to the Rules and procedures of the SEF;

(C) meet the notional or principal amount at or above the appropriate 

minimum block size applicable to the Swap;
308433745.5 

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(D) be reported to a Swap Data Repository pursuant to the Rules and 

Applicable Law (including CFTC Regulation 43.3 (Method and Timing For 

Real-Time Public Reporting) and 45.3 (Swap Data Reporting: Creation

Data);

(E) be screened against applicable Risk-Based Limits in accordance with 

Rule 1003; and

(F) be deemed void ab initio where the Block Trade is rejected from clearing 

on the basis of credit to the extent required by Applicable Law (including 

37.9(a)(2) (Methods of Execution For Required and Permitted 

Transactions) and 37.203(a) (Rule Enforcement Program) and in 

compliance with Rule 1004.

411.A. Package Transactions.

(a) The Company may from time to time designate Package Transactions eligible for 

execution on the SEF pursuant to this Rule 411.A.

(b) A Permitted Package Transaction executed on the SEF may be executed by any 

execution method permitted under Rule 404.

(c) The parties (and any Introducing Agent or Account Manager acting on behalf of either 

party) to a Permitted Package Transaction designated as eligible for execution on the 

SEF must comply with applicable policies and procedures that may be established from 

time to time by the Company.

412. Emergencies

(a) Emergency Defined. The term “Emergency” means any occurrence or circumstance that, 

in the opinion of the Board, the CEO or the Chief Administrative Officer, requires 

immediate action and threatens or may threaten the fair and orderly trading in, or the 

liquidation of or delivery pursuant to, any Swap traded pursuant to these Rules. An 

Emergency may include any of the following:

(i) Any manipulative activity or attempted manipulative activity;

(ii) Any actual, attempted or threatened corner, squeeze, congestion or undue 

concentration of positions;

(iii) Any circumstance that may materially affect the performance of Swaps, including 

failure of the payment system or the bankruptcy or insolvency of any Participant 

or Trading Customer;

(iv) Any action taken by the U.S. federal or any foreign government, any other 

governmental body, or any other entity or trading facility (foreign or domestic), in 

each case that may have a direct impact on clearing, settlement or trading on the 

SEF; and

(v) Any circumstance that may have a severe, adverse effect upon the functioning of 

the SEF.

(b) Emergency Authority. In the event of an Emergency, the Chief Administrative Officer or 

any individual designated by the Chief Administrative Officer and approved by the Board 

may place into immediate effect a temporary emergency addition to these Rules which 

may provide for, or may authorize the Board or any committee thereof to undertake, 

actions necessary or appropriate to respond to the Emergency, including such actions as:

(i) imposing or modifying position limits, price limits or intraday market restrictions;

(ii) imposing special margin requirements on any Swap;