§2257 is only in relation to sexually explicit images as defined in §2256.

§2257 makes persons who do not contract with performers (read affiliate sellers) producers of any images displayed and requires that the same documents that a person who does contract with performers would retain.

USDOJ's 2257 Compliance Guide

CFR 28 Part 75

Code of Federal Regulations (CFR)

For informational purposes only ? not to be construed as legal advice ? get legal advice from a licensed attorney if the cited information is unclear.

These laws apply to US persons (and possibly data stored on US located servers.)