Erg. Dude, you don't want to limit your readers to those who know the abbreviations of FHIR Bundle constraints by heart. In general, this two sentence paragraph is pretty thick, and the grammatical error (SHALL filled out) doesn't help.

Existing Wording:

in order to meet the requirements of bdl-3 and bdl-4,

(Comment 14 - imported by: Gino Canessa)