> Source: [/docs/protocol/tip403/overview](https://tempo.xyz/developers/docs/protocol/tip403/overview.md) > Section: [Tempo EVM](https://tempo.xyz/developers/docs/development.md). Build on Tempo EVM: wallets and keys, payments, transactions and fees, TIP-20 Tokens, contracts, exchange, network details, nodes, protocol specifications, and changelog. > [Documentation index](https://tempo.xyz/developers/llms.txt) · [Docs skill](https://tempo.xyz/developers/SKILL.md) > Tempo MCP: Use `search`, `find_pages`, `read_page`, and `code` at `https://mcp.tempo.xyz` for Tempo and related documentation. > If an indexed page is missing or reflects an older site, read this site’s [documentation index](https://tempo.xyz/developers/llms.txt) and Markdown pages directly. # Tempo Policy Registry (TIP-403) ## What is the Tempo Policy Registry? The Tempo Policy Registry (TIP-403) enables TIP-20 tokens to enforce access control. Instead of each token implementing its own logic, the registry lets policies be created once and shared across multiple tokens. ## Links [TIP-403 Specification](https://tempo.xyz/developers/docs/protocol/tip403/spec): Learn how TIP-403 works and its features [Guide: Manage Your Stablecoin](https://tempo.xyz/developers/docs/guide/issuance/manage-stablecoin): Manage your stablecoin's permissions, supply, and compliance settings [Rust Implementation](https://github.com/tempoxyz/tempo/tree/main/crates/precompiles/src/tip403_registry): Rust implementation in the Tempo client