SecurityReqID (Tag = 320, Type: String)

Unique ID of a Security Definition Request.

Used in:

• Derivative Security List (AA)
• Security List Update Report (BK)
• Security Definition Update Report (BP)
• Derivative Security List Update Report (BR)
• Security Definition Request (c)
• Security Definition (d)
• Security Type Request (v)
• Security Types (w)
• Security List Request (x)
• Security List (y)
• Derivative Security List Request (z)