Regulation 21: 21. (1) A Research and Development Sub-Plan submitted by a contractor, subcontractor,licensee or other allied entity to the Commission with respect to a petroleum activity shall(a) outline a revolving three to five-year programme for petroleum related research anddevelopment initiatives to be undertaken in the country;(b) provide details of the expected expenditure that will be made in implementing theResearch and Development Sub-Plan;(c) provide for public calls for proposals for research and development initiativesassociated with the activities of the contractor, subcontractor, licensee or other alliedentity and criteria for selecting proposals which qualify for support.(2) The contractor, subcontractor, licensee or other allied entity shall(a) update its Research and Development Sub-Plan annually, and(b) submit the updated plan to the Commission for review and approval.