Current design is two separate fields.
Example:
Field 1) 5307 compliant? (yes/no)
Field 2) 5311 compliant? (yes/no)
If either 5307 or 5311 is yes
Then show tab
Else hide tab
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In this specific case, perhaps I could use a choice field along with {contains} in a DFFS rule. But elsewhere I’ve got potential uses for an [OR] DFFS rule solution, and finally got around to asking here about it.