The most recent edition of the Standard DS-1
is the Fourth Edition. There have been several addendums issued. Please see table below
First, determine which printing you have. This can be found at the bottom of the cover or on the title page. When a new printing is done, the previously issued addenda are incorporated into the manual. Therefore, if you have a more recent printing, you would not need all of
Example: If you have a Second Printing of Volume 2, you would need Addendum 2. If you have a 2018 Printing of Volume 4, no addenda are needed.
The most recent edition of the Standard TS-1 is the First Edition. There have not been any addendums issued to-date.
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