Custom field not getting populated in the desired place

Hi All, 

We have one custom field named as 'Tag'

 while importing documents to Integrity using gateway everything gets imported as required except 'Tag'. 

When I import below text in the word (with all required formatting) 

Tag 1

Sample text

  In Integrity, it should be imported as

 Has anyone worked on it? or any suggestion how this could be resolved?

 Thanks in advance.

Shilpa