47754 Federal Register / Vol. 88, No. 141 / Tuesday, July 25, 2023 / Rules and Regulations 
1, 2023 edition of Form I–9), as 
appropriate. 
After October 31, 2023, the prior 
version of Form I–9 will no longer be valid for use and will be obsolete. The public can download the new Form I– 9 from www.uscis.gov/i-9. After October 
31, 2023, employers who fail to use Form I–9 (Edition: 08/01/2023) may be subject to all applicable penalties under section 274A of the INA, 8 U.S.C. 1324a, as enforced by ICE. 
Employers do not need to complete 
the new Form I–9 (Edition: 08/01/2023) for current employees who already have a properly completed Form I–9 on file, unless reverification applies. Unnecessary verification may violate the INA’s anti-discrimination provision, section 274B of the INA, 8 U.S.C. 1324b, which is enforced by the Immigrant and Employee Rights Section (IER) in the Department of Justice’s Civil Rights Division. 
P. Obtaining Forms I–9 (Edition: 08/01/ 
2023) 
Employers may download the new 
Form I–9 (Edition: 08/01/2023) from the USCIS website at www.uscis.gov/i-9. Employers can order the paper Form I– 9 at www.uscis.gov/forms/forms-by- mail. For more information, the public 
can contact the USCIS Contact Center at 800–375–5283 or visit USCIS’ I–9 Central web page at www.uscis.gov/i- 9central. 
A Spanish-language version of the 
new Form I–9 is also available at www.uscis.gov/i-9 for use in Puerto Rico 
only. 
Alejandro N. Mayorkas, 
Secretary, U.S. Department of Homeland 
Security. 
[FR Doc. 2023–15533 Filed 7–21–23; 8:45 am] 
BILLING CODE 9111–28–P 
NUCLEAR REGULATORY 
COMMISSION 
10 CFR Parts 50 and 52 
[NRC–2022–0143] 
Regulatory Guide: Criteria for 
Programmable Digital Devices in Safety-Related Systems of Nuclear Power Plants 
AGENCY : Nuclear Regulatory 
Commission. 
ACTION : Final guide; issuance. 
SUMMARY : The U.S. Nuclear Regulatory 
Commission (NRC) is issuing Revision 4 to Regulatory Guide (RG), 1.152, ‘‘Criteria for Programmable Digital Devices in Safety-Related Systems of Nuclear Power Plants.’’ This RG describes an approach that is acceptable to the staff of the NRC to meet regulatory requirements for promoting high functional reliability, design quality, and a secure development and operational environment (SDOE) for the use of programmable digital devices (PDDs) in the safety-related systems of nuclear power generating stations. 
DATES : Revision 4 to RG 1.152 is 
available on July 25, 2023. 
ADDRESSES : Please refer to Docket ID 
NRC–2022–0143 when contacting the NRC about the availability of information regarding this document. You may obtain publicly available information related to this document using any of the following methods: 
•Federal Rulemaking Website: Go to 
https://www.regulations.gov and search 
for Docket ID NRC–2022–0143. Address questions about Docket IDs in Regulations.gov to Stacy Schumann; 
telephone: 301–415–0624; email: Stacy.Schumann@nrc.gov. For technical 
questions, contact the individuals listed in the 
FOR FURTHER INFORMATION  
CONTACT section of this document. 
•NRC’s Agencywide Documents 
Access and Management System (ADAMS): You may obtain publicly 
available documents online in the ADAMS Public Documents collection at https://www.nrc.gov/reading-rm/ adams.html. To begin the search, select 
‘‘Begin Web-based ADAMS Search.’’ For problems with ADAMS, please contact the NRC’s Public Document Room (PDR) reference staff at 1–800–397–4209, 301– 415–4737, or by email to PDR.Resource@nrc.gov. The ADAMS 
accession number for each document referenced (if it is available in ADAMS) is provided the first time that it is mentioned in this document. 
•NRC’s PDR: The PDR, where you 
may examine and order copies of publicly available documents, is open by appointment. To make an appointment to visit the PDR, please send an email to PDR.Resource@nrc.gov or call 1–800–397–4209 or 301–415– 4737, between 8 a.m. and 4 p.m. eastern time (ET), Monday through Friday, except Federal holidays. 
Revision 4 to RG 1.152 and the 
regulatory analysis may be found in ADAMS under Accession Nos. ML23054A463 and ML22132A293, respectively. 
Regulatory guides are not 
copyrighted, and NRC approval is not required to reproduce them. 
FOR FURTHER INFORMATION CONTACT : 
Michael Eudy, Office of Nuclear Regulatory Research, telephone: 301– 415–3104; email: Michael.Eudy@nrc.gov, and Khoi Nguyen, Office of 
Nuclear Reactor Regulation, telephone: 
301–415–6839; email: Khoi.Nguyen@nrc.gov. Both are staff of the U.S. 
Nuclear Regulatory Commission, Washington, DC 20555–0001. 
SUPPLEMENTARY INFORMATION : 
I. Discussion 
The NRC is issuing a revision in the 
NRC’s ‘‘Regulatory Guide’’ series. This series was developed to describe methods that are acceptable to the NRC staff for implementing specific parts of the agency’s regulations, to explain techniques that the staff uses in evaluating specific issues or postulated events, and to describe information that the staff needs in its review of applications for permits and licenses. 
The proposed Revision 4 to RG 1.152 
was issued with a temporary 
identification of Draft Regulatory Guide, (DG)–1374 (ADAMS Accession No. ML23012A242). This revision (Revision 4) of the guide endorses, with some exceptions and clarifications, Institute of Electrical and Electronics Engineers (IEEE) Standard (Std) 7–4.3.2–2016, ‘‘IEEE Standard Criteria for Programmable Digital Devices in Safety Systems of Nuclear Power Generating Stations.’’ Specifically, this revision removes the previous SDOE guidance from this guide and instead endorses, with clarifications, the SDOE criteria within IEEE Std 7–4.3.2–2016. This revision also includes additional guidance for fault detection and self- diagnostics, if used, in digital instrumentation and controls systems. In addition, this revision endorses Annex D of IEEE Std 7–4.3.2–2016 and clarifies the applicability of the control of access guidance for safety-related PDDs. 
II. Additional Information 
The NRC published notice of the 
availability of DG–1374 in the Federal 
Register on March 10, 2023 (88 FR 
14957), for a 30-day public comment period. The public comment period closed on April 10, 2023. Public comments on DG–1374 and the staff responses to the public comments are available in ADAMS under Accession No. ML23132A164. 
As noted in the Federal Register on 
December 9, 2022 (87 FR 75671), this document is being published in the ‘‘Rules’’ section of the Federal Register to comply with publication requirements under 1 CFR chapter I. 
III. Congressional Review Act 
This RG is a rule as defined in the 
Congressional Review Act (5 U.S.C. 
801–808). However, the Office of 
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Management and Budget has not found 
it to be a major rule as defined in the Congressional Review Act. 
IV. Backfitting, Forward Fitting, and 
Issue Finality 
Issuance of RG 1.152, Revision 4, does 
not constitute backfitting as defined in § 50.109 of title 10 of the Code of Federal Regulations (10 CFR), ‘‘Backfitting,’’ and as described in NRC Management Directive (MD) 8.4, ‘‘Management of Backfitting, Forward Fitting, Issue Finality, and Information Requests’’; affect the issue finality of an approval issued under 10 CFR part 52; or constitute forward fitting as defined in MD 8.4 because, as explained in this RG, licensees are not required to comply with the positions set forth in this RG. 
V. Submitting Suggestions for 
Improvement of Regulatory Guides 
A member of the public may, at any 
time, submit suggestions to the NRC for improvement of existing RGs or for the development of new RGs. Suggestions can be submitted on the NRC’s public website at https://www.nrc.gov/reading- rm/doc-collections/reg-guides/ contactus.html. Suggestions will be 
considered in future updates and enhancements to the ‘‘Regulatory Guide’’ series. 
Dated: July 19, 2023. 
For the Nuclear Regulatory Commission. 
Meraj Rahimi, Chief, Regulatory Guide and Programs 
Management Branch, Division of Engineering, Office of Nuclear Regulatory Research. 
[FR Doc. 2023–15611 Filed 7–24–23; 8:45 am] 
BILLING CODE 7590–01–P 
NUCLEAR REGULATORY 
COMMISSION 
10 CFR Parts 51, 52, and 100 
[NRC–2021–0091] 
Regulatory Guide: Use of Plant 
Parameter Envelope in Early Site Permit Applications for Nuclear Power Plants 
AGENCY : Nuclear Regulatory 
Commission. 
ACTION : Final guide; issuance. 
SUMMARY : The U.S. Nuclear Regulatory 
Commission (NRC) is issuing a new Regulatory Guide (RG) 4.27, ‘‘Use of Plant Parameter Envelope in Early Site Permit Applications for Nuclear Power Plants.’’ This RG provides guidance for nuclear power plant applicants that elect to use the plant parameter envelope concept to assume certain design parameters for an early site permit application when a specific reactor technology has not been selected for a proposed site. 
DATES : Revision 0 of RG 4.27 is available 
on July 25, 2023. 
ADDRESSES : Please refer to Docket ID 
NRC–2021–0091 when contacting the NRC about the availability of information regarding this document. You may obtain publicly available information related to this document using any of the following methods: 
•Federal Rulemaking Website: Go to 
https://www.regulations.gov and search 
for Docket ID NRC–2021–0091. Address questions about Docket IDs in Regulations.gov to Stacy Schumann; 
telephone: 301–415–0624; email: Stacy.Schumann@nrc.gov. For technical 
questions, contact the individuals listed in the ‘‘For Further Information Contact’’ section of this document. 
•NRC’s Agencywide Documents 
Access and Management System (ADAMS): You may obtain publicly 
available documents online in the ADAMS Public Documents collection at https://www.nrc.gov/reading-rm/ adams.html. To begin the search, select 
‘‘Begin Web-based ADAMS Search.’’ For problems with ADAMS, please contact the NRC’s Public Document Room (PDR) reference staff at 1–800–397–4209, 301– 415–4737, or by email to PDR.Resource@nrc.gov. The ADAMS 
accession number for each document referenced (if it is available in ADAMS) is provided the first time that it is mentioned in this document. 
•NRC’s PDR: The PDR, where you 
may examine and order copies of publicly available documents, is open by appointment. To make an appointment to visit the PDR, please send an email to PDR.Resource@nrc.gov or call 1–800–397–4209 or 301–415– 4737, between 8 a.m. and 4 p.m. eastern time (ET), Monday through Friday, except Federal holidays. 
RG 4.27 and the regulatory analysis 
may be found in ADAMS under Accession Nos. ML23010A097 and ML21049A182, respectively. 
Regulatory guides are not 
copyrighted, and NRC approval is not required to reproduce them. 
FOR FURTHER INFORMATION CONTACT : 
Edward O’Donnell, Office of Nuclear Regulatory Research, telephone: 301– 415–3317; email: Edward.ODonnell@nrc.gov, and Allen Fetter, Office of 
Nuclear Reactor Regulation, telephone: 301–415–8556; email: Allen.Fetter@nrc.gov. Both are staff of the U.S. 
Nuclear Regulatory Commission, Washington, DC 20555–0001. 
SUPPLEMENTARY INFORMATION : I. Discussion 
The NRC is issuing a new guide in the 
NRC’s ‘‘Regulatory Guide’’ series. This 
series was developed to describe methods that are acceptable to the NRC staff for implementing specific parts of the agency’s regulations, to explain techniques that the staff uses in evaluating specific issues or postulated events, and to describe information that the staff needs in its review of applications for permits and licenses. 
RG 4.27 was issued with a temporary 
identification of Draft Regulatory Guide, DG–4029 (ADAMS Accession No. ML21049A181). 
II. Additional Information 
The NRC published a notice of the 
availability of DG–4029 in the Federal 
Register on June 24, 2021 (86 FR 33384) 
for a 45-day public comment period. 
The public comment period closed on August 9, 2021. Public comments on DG–4029 and the staff responses to the public comments are available under ADAMS under Accession No. ML23010A111. 
As noted in the Federal Register on 
December 9, 2022 (87 FR 75671), this document is being published in the ‘‘Rules’’ section of the Federal Register to comply with publication requirements under 1 CFR chapter I. 
III. Congressional Review Act 
This RG is not a rule as defined in the 
Congressional Review Act (5 U.S.C. 
801–808). 
IV. Backfitting, Forward Fitting, and 
Issue Finality 
Issuance of RG 4.27 would not 
constitute backfitting as that term is defined in section 50.109 of title 10 of the Code of Federal Regulations (10 
CFR), ‘‘Backfitting,’’ and as described in NRC Management Directive (MD) 8.4, ‘‘Management of Backfitting, Forward Fitting, Issue Finality, and Information Requests’’; constitute forward fitting as that term is defined and described in MD 8.4; or affect issue finality of any approval issued under 10 CFR part 52, ‘‘Licenses, Certifications, and Approvals for Nuclear Power Plants.’’ As explained in RG 4.27, applicants and licensees are not required to comply with the positions set forth in RG 4.27. 
V. Submitting Suggestions for 
Improvement of Regulatory Guides 
A member of the public may, at any 
time, submit suggestions to the NRC for improvement of existing RGs or for the development of new RGs. Suggestions can be submitted on the NRC’s public website at https://www.nrc.gov/reading- rm/doc-collections/reg-guides/ 
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