Standard 1998, Edition 3
UL 1998

Standard for Software in Programmable Components

UL CSDS Proposal Edition 3 Published Date: August 03, 2018 Last Revision: November 16, 2022

Summary of Topics b1998_3_20180803_sum.html

Subject 1998

Bulletin Dated: August 3, 2018


The following topics for the Standard for Safety for Software in Programmable Components, UL 1998, are being recirculated:

1. Clarification of Scope

2. Clarification of Process Definition and Risk Analysis

5. Addition of Consideration of Programmable Component Errata as a Potential Cause of Microelectronic Hardware Failures

6. Clarification of Requirements for User Cancellation

7. Clarification of Requirements for Unique Identifier

8. Clarification of Applicability of Appendix A

Back to Standard 1998, Edition 3

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign


Additional information required

To serve you better, please update your account details.

Featured Standards

Recently Published

Coming Soon

UL 48
Electrical Signs
Revision Pages

Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages