Company recently awarded SCI contract

Our company was recently awarded a contract requiring SCI eligibility/access. We are the prime on the contract. We have 1 subcontracting company.

Is there any requirement for us to add the subcontractors employees to our PSM net and service their clearances? If there is a requirement, does it fall under the NISPOM?

Also, if we service a subcontractors employees clearances what forms are we required to have the subcontractors employees complete?

As the prime for a classified contract with a DD-254, before a subcontractor is allowed to do classified work the prime has to issue a DD-254 to the sub and ensure they have the appropriate FCL and personnel are cleared. The DSS Field Office to whom you are assigned as the prime is the one you should be asking this question.