II 

117TH CONGRESS 

1ST SESSION S. 3335 

To provide liability protection for the sharing of information regarding suspected fraudulent, abusive, or unlawful robocalls, illegally spoofed calls, 

and other illegal calls by or with the registered consortium that conducts 

private-led efforts to trace back the origin of suspected unlawful 

robocalls, and for the receipt of such information by that registered 

consortium, and for other purposes. 

IN THE SENATE OF THE UNITED STATES 

DECEMBER 8, 2021 

Mr. THUNE (for himself and Mr. MARKEY) introduced the following bill; which 

was read twice and referred to the Committee on Commerce, Science, and 

Transportation 

A BILL 

To provide liability protection for the sharing of information 

regarding suspected fraudulent, abusive, or unlawful 

robocalls, illegally spoofed calls, and other illegal calls 

by or with the registered consortium that conducts private-led efforts to trace back the origin of suspected 

unlawful robocalls, and for the receipt of such information by that registered consortium, and for other purposes. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 


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•S 3335 IS

1 SECTION 1. SHORT TITLE. 

2 This Act may be cited as the ‘‘Robocall Trace Back 

3 Enhancement Act’’. 

4 SEC. 2. REGISTERED CONSORTIUM CONDUCTING PRIVATE5 LED EFFORTS TO TRACE BACK THE ORIGIN 

6 OF SUSPECTED UNLAWFUL ROBOCALLS. 

7 (a) IMMUNITY FOR RECEIVING, SHARING, AND PUB8 LISHING TRACE BACK INFORMATION.—Section 13(d) of 

9 the Pallone-Thune Telephone Robocall Abuse Criminal 

10 Enforcement and Deterrence Act (Public Law 116–105; 

11 133 Stat. 3287) is amended by adding at the end the fol12 lowing: 

13 ‘‘(3) IMMUNITY FOR RECEIVING, SHARING, AND

14 PUBLISHING TRACE BACK INFORMATION.— 

15 ‘‘(A) DEFINITION.—In this paragraph, the 

16 term ‘covered information’— 

17 ‘‘(i) means information regarding sus18 pected— 

19 ‘‘(I) fraudulent, abusive, or un20 lawful robocalls; 

21 ‘‘(II) illegally spoofed calls; and 

22 ‘‘(III) other illegal calls; and 

23 ‘‘(ii) includes— 

24 ‘‘(I) call detail records of calls 

25 described in clause (i); 


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1 ‘‘(II) the names of, and other 

2 identifying information concerning, 

3 the voice service providers that origi4 nated, carried, routed, and trans5 mitted calls described in clause (i); 

6 and 

7 ‘‘(III) information about the enti8 ties that made calls described in 

9 clause (i), including any contact infor10 mation of individuals that such an en11 tity provided to the voice service pro12 vider that originated the call. 

13 ‘‘(B) TRACE BACK IMMUNITY.—No cause 

14 of action shall lie or be maintained in any court 

15 against— 

16 ‘‘(i) the registered consortium for re17 ceiving, sharing, or publishing covered in18 formation or information derived from cov19 ered information; or 

20 ‘‘(ii) any voice service provider or 

21 other person or entity for sharing covered 

22 information with the registered consortium. 

23 ‘‘(C) RULE OF CONSTRUCTION.—Nothing 

24 in subparagraph (B)(ii) shall be construed to 

25 provide immunity for any act other than the act 


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•S 3335 IS

1 of sharing covered information with the reg2 istered consortium.’’. 

3 (b) PUBLICATION OF LIST OF VOICE SERVICE PRO4 VIDERS.—Section 13(e) of the Pallone-Thune Telephone 

5 Robocall Abuse Criminal Enforcement and Deterrence Act 

6 (Public Law 116–105; 133 Stat. 3287) is amended to read 

7 as follows: 

8 ‘‘(e) LIST OF VOICE SERVICE PROVIDERS.— 

9 ‘‘(1) PUBLICATION OF LIST.—The Commission, 

10 or the registered consortium in consultation with the 

11 Commission, may publish a list of voice service pro12 viders based on— 

13 ‘‘(A) information obtained by the consor14 tium about voice service providers that refuse to 

15 participate in private-led efforts to trace back 

16 the origin of suspected unlawful robocalls; and 

17 ‘‘(B) other information the Commission or 

18 the consortium may collect about voice service 

19 providers that are found to originate or trans20 mit substantial amounts of unlawful robocalls. 

21 ‘‘(2) ENFORCEMENT.—The Commission may 

22 take enforcement action based on the information 

23 described in paragraph (1).’’. 

Æ 


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