Final answer:
The IRS issues General Regulations under a mandate by Congress to specify the substantive requirements of a tax provision.
Step-by-step explanation:
The subject of this question is Law. The IRS (Internal Revenue Service) issues General Regulations under a mandate by Congress to specify the substantive requirements of a tax provision.
These regulations serve as the rules and guidelines for how the tax code should be interpreted and applied. They provide detailed instructions and clarification on various tax provisions, helping both taxpayers and tax professionals understand their rights, obligations, and options when it comes to taxes.
For example, General Regulations may define the specific criteria for qualifying for certain tax credits or deductions, outline the reporting requirements for different types of income, or establish the procedures for requesting a tax extension or filing an amended return.