You might find that the link to is broken. This is common for three reasons:
00056 (like the 2015 update) or a template for a particular E3 component? Stellantis CS.00056 Testing | TÜV SÜD cs.00056 pdf
The file name itself offers a lesson in
https://arxiv.org/pdf/cs/0000056.pdf
Understanding the CS.00056 Standard: A Comprehensive Guide to Automotive Environmental Specs You might find that the link to is broken
The standard organizes components based on their complexity and where they are placed in the vehicle: : cs.00056 pdf