Sizes, and what each one is for
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The ink and sample end
From 100 mL down is ink, alcohol ink and sample territory. Label space is tight, which is exactly the case the conformance statement’s "wherever practical" wording was written for.
The artist bottle
A few hundred milliliters of paint or medium, which is the format most of this category sells in and the one squarely inside D-4236’s scope. Design the label to the rule here first and reuse it across the range.
The studio and classroom size
Up to a liter or more, bought by somebody who uses a lot. Still an individual or small-group size in most readings, so do not assume the bigger bottle leaves the standard behind.
The bulk jug
The 12 F-style jugs and the largest containers on this shelf, up to 4,731 mL. These are the formats where the scope question genuinely arises, and the answer depends on who the product is represented as being for.
Consistency across a range matters commercially
Artists buy sets, and a range sharing one neck finish and one label template looks considered and costs less. With 46 containers on 38-400 and 43 on 24-410, there are two obvious places to standardize.
Density varies by color, so fill by weight
A heavily pigmented color and a light one do not weigh the same per milliliter, so a volumetric fill produces inconsistent declared weights across a set. Weighing fixes it and costs nothing after setup.
Cost the format, not the milliliter
Filling, labeling and the compliance work per product line are close to flat, so a small sample size carries far more of both per unit sold. Decide what each format has to earn on its own terms.