core only if available and if no distributor's name is recorded; ; but then only the first name statement that you record is core (i.e., the most prominent (as per layout or typography) first, or the first name in the sequence if none are prominent)
since the Source for this element is or includes '[OSoI]', accept the data if it is 'supplied' (e.g., in square brackets, or explained in a note), as long as it seems applicable; indicate that the data is 'supplied' (with square brackets or a note 2.2.4), if that has not been done
but be sure to check the resource carefully, if the data for the element is Core, or if the data is important for differentiating the resource from a similar resource
Check below, for any useful Notes
General Notes:
if the distributor's name appears in more than one language, see 2.9.4.6 for deciding which place is given as Distributor's Name and which as Parallel Distributor's Name
RDA:
check that '[distributor not identified]' has been given in the correct form, exactly as given here