Further to our conversation please see the attached draft of ENA's GISB.
After your review, please give me a call with any questions and or comments  regarding the enclosed.
Best regards,

GISB
Further to our conversation please see the attached draft of <COMPANY>'s GISB.
After your review, please give me a call with any questions and or comments regarding the enclosed.
Best regards,
questions best regards draft company gisb review conversation attached