When you refresh a publication subscription using bulk materialization, use the for new articles clause when you define the publication subscription.
define subscription pubs2_sub for publication pubs2_pub with primary at TOKYO_DS.pubs2 with replicate at SYDNEY_DS.pubs2 for new articles
See Replication Server Reference Manual > Replication Server Commands > define subscription for syntax and usage guidelines.
To check whether a subscription exists for each article in a publication, execute check subscription at the primary or replicate Replication Server.