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Loi n° 2023-007 portant refonte du Code Minier replaces the 2005-021 framework as the comprehensive legal foundation for Madagascar's mining sector. The headline fiscal change raises the ad-valorem mining royalty from 2% to 5%, decomposed as a 2% mining rebate (ristourne minière) earmarked for local communities and a 3% mining royalty (redevance minière) accruing to the State; a 30% reduction applies where extracted products are processed domestically, embedding a value-add incentive into the royalty schedule. The law also introduces a dedicated environmental, health and safety chapter, modernises customs/fiscal/foreign- exchange provisions, tightens permit-issuance procedures and strengthens oversight of small-scale mining. It is the first IPTM entry for Madagascar — a Tier-2 critical-minerals jurisdiction with material cobalt (Ambatovy), graphite (Molo / Green Giant), ilmenite/zircon (QMM Fort-Dauphin) and emerging REE / vanadium / nickel pipelines.

Sierra Leone's National Minerals Agency gazetted the Mines and Minerals Development Regulations 2023 (Statutory Instrument No. 9 of 2023) in May 2023 as the primary implementing instrument for the Mines and Minerals Development Act 2022 (Act 16). The Regulations repeal and replace the 2009 Regulations, establishing operational frameworks across five licence categories. Key provisions include a mandatory 10% non-dilutable free carried interest for the state in large-scale licences, an option for the state to acquire up to 35% additional equity on negotiated terms, mandatory community development agreements (minimum 1% of gross revenue), and environmental impact assessment and environmental bond requirements for all categories.

Sierra Leone's Parliament enacted Act No. 22 of 2023, establishing the Sierra Leone Mines and Minerals Development and Management Corporation (SLMMDMC) as a state body corporate mandated to carry out minerals and mining development, management, and related activities on behalf of the Republic. The Corporation operates through government-approved "project companies" (public-private vehicles) constituted under the parent Mines and Minerals Development Act 2022, with its Board responsible to the Minister for Mines. The Act enables Parliament-approved allocation of specific mineral assets to the Corporation for development, creating the institutional architecture for systematic state participation across Sierra Leone's strategic mineral sector — including rutile, ilmenite, bauxite, diamonds, iron ore, and critical minerals identified in subsequent national strategy instruments. The Act entered into force on 15 June 2023 and is the implementing parent for the Allocated Minerals Regulations (SI No. 11 of 2024).

Sierra Leone's Parliament enacted Act No. 16 of 2022, a landmark overhaul of the country's foundational mining legal framework replacing the Mines and Minerals Act 2009. The Act establishes a reformed licensing architecture (exploration → large-scale mining licence pipeline), enhanced royalty and compulsory state-participation provisions for large-scale licences, and strengthened local-content, artisanal-and-small-scale mining (ASM), and beneficial-ownership- disclosure obligations. The National Minerals Agency (NMA) is empowered as the primary regulatory body; the Act received presidential assent on 21 March 2023 and commenced 12 May 2023, forming the statutory parent for all subsequent Sierra Leone minerals legislation including the SLMMDMC Act (Act No. 22 of 2023) and the 2026-2031 Critical Minerals Strategy.