Message

Value MUST be part of code list 'Environmental and Social Labels'.

Context
/ubl:Catalogue/cac:CatalogueLine/cac:Item/cac:Certificate/cbc:CertificateTypeCode
Test
(some $code in $cllabels satisfies $code = normalize-space(text()))
Code lists
Environmental and Social Labels
Usage
/ ubl:Catalogue / cac:CatalogueLine / cac:Item / cac:Certificate / cbc:CertificateTypeCode