From Enclosure B of the JFRP Manual:

(4) JCB Interest. JCB Interest should be used for requirements where the intended level of oversight does not meet the JROC threshold, but cannot be satisfied by assignment of a lower-level JSD. JCB Interest is the minimum JSD for joint DOTmLPF-P Change Requests (JDCRs) and for any documents where the sponsor is a CCMD, with the exception of USSOCOM or USCYBERCOM. Applies to requirements that are necessary to fulfill a capability gap of more than one armed force or have capabilities with joint dependencies and meet one of the following criteria:

(a) Proposed capability projected to be ACAT II or equivalent level.

(b) Proposed capability must be interoperable with or require changes to ACAT II or equivalent level programs external to the validating organization.

From Enclosure C of the JFRP Manual:

b. Joint DCRs. The JDCR is the mechanism to identify and approve non-materiel approaches to closing capability gaps and meeting joint force requirements. The purpose of a JDCR is to propose non-materiel capability solutions that may serve as an alternative to, or complement of, materiel capability solutions. A JDCR may be generated in response to and in support of other JROC functions (i.e., JFD, JCI, CCMD Requirements, CPM) when non-materiel approaches appear to be the most viable solution for identified capability gaps. JDCRs may be submitted by any Service or component. After submission, JDCRs are staffed according the JFRP staffing process. In approving a JDCR, the JROC or subordinate boards:

(1) Approves the proposed non-materiel capability solutions fulfill a gap in joint military capabilities or are otherwise necessary to meet applicable requirements in the NDS and derived documentation.

(2) Approves the document and supporting data contained therein, including the change recommendations and implementation plans.

(3) Assigns an office of primary responsibility (OPR) to accomplish each action listed in the implementation plan.