Generator remote from building ,has disconnect switch on it. Runs to building inside to Transfer Switch. Is a Additional Disconnect switch Required per Article 225.As the Generator feeders enter the building and before the Transfer switch?

whatsup yoopersup...I say yes to your question, and it must be suitable for service equipment.

Unless the transfer equipment meets the qualifications of Article 225...

shortcircuit

Found the Answer ,700.12B(6)Was added in the 2002 Code. take a look.