8.7 Agencies shall submit their PCW-endorsed GPB to DBM along with their annual GAD AR for the previous year in accordance with the budget call. 8.8 Once the GAA has been approved and where budget and program adjustments have to be made based on final agency budgets, agencies shall submit an adjusted GPB to PCW. The adjusted GPB shall be the basis for implementing the GPBs as well as for monitoring and reporting. 9.0 IMPLEMENTATION AND MONITORING OF THE GAD PLAN AND BUDGET 9.1 Upon receipt of the letter of endorsement from PCW and or the adjusted GPB, the agency head shall issue an appropriate policy directive, copy furnished PCW, to disseminate and implement the GPBs. The directive shall mandate the agency GFPS to: a) provide technical assistance, as needed, to attached agencies, bureaus and regional offices in the implementation of the GPBs; b) monitor its implementation; c) ensure the preparation and submission of GAD ARs; and d) consolidate reports on the implementation of the GPBs. 9.2 Agencies shall inform the PCW in writing if there are changes in the PCW -endorsed GPBs as a result of revising the GPB based on the approved GAA and or the need to implement additional PAPs relevant to current gender issues or GAD-related undertakings as needed. PCW, in turn, shall acknowledge receipt of adjusted GPB and shall inform the agencies if the GAD PAPs or activities in the adjusted GPB are acceptable. 9.3 As needed, agencies may seek the assistance of PCW, other oversight agencies, civil society organizations, non-government organizations, gender experts or specialists and other stakeholders in tracking key results, outputs and outcomes of their GAD PAPs. 9.4 Consistent with the gender mainstreaming strategy, all agencies shall endeavor to integrate GAD indicators into their existing monitoring and evaluation system. 11