The "Tax Clarity for Mining and Staking Act" introduces new provisions to the Internal Revenue Code to clarify the taxation of income from digital asset mining and staking. It establishes that the fair market value of newly minted digital assets is generally included in gross income as ordinary income upon acquisition, with associated acquisition costs treated as expenses. However, the bill provides an important election for taxpayers to defer the inclusion of income from qualified newly minted digital assets until their disposition. If this election is made, the specified acquisition costs related to these assets must be capitalized. Upon disposition, any gain from these assets is recognized and treated as ordinary income, while losses are treated as ordinary losses, subject to certain limitations. The legislation defines "newly minted digital assets" as those issued in connection with transaction validation and not previously owned, and "specified acquisition costs" as amounts incurred in validation activities with a reasonable possibility of acquiring such assets. It also clarifies that certain entities, like controlled foreign corporations, are ineligible for the deferral election. Furthermore, the bill amends sourcing rules, stipulating that income from newly minted digital assets is sourced based on the taxpayer's residency at the time of acquisition or disposition, with specific rules for branches and partnerships. It also includes qualified newly minted digital assets in the definition of "unrealized receivables" for partnership tax purposes and excludes related income and gains from the qualified business income deduction. Finally, the bill addresses investment trusts, stating that a trust will not lose its trust status solely for engaging in digital asset staking activities, provided it is not actively conducting a trade or business of validating transactions. It also provides comprehensive definitions for terms such as "digital asset," "staking," and "mining" to ensure consistent application of the new tax rules.