Taxation may be defined as a state power, a legislative process, and a mode of government cost distribution.
State Power in taxation is an inherent power of the state to enforce a proportional contribution from its subjects for public purpose.
A legislative process in taxation is a process of levying taxes by the legislature of the State to enforce proportional contributions from its subjects for public purpose.
A mode of cost distribution in taxation is a mode by which the State allocates its costs or burden to its subjects who are benefited by its spending.
Issuance of receipts and clearances is a function of the Internal Revenue Service.
Assignment of internal revenue officers and other employees to other duties is a function of the Internal Revenue Service.
Provision and distribution of forms, receipts, certificates, stamps, etc. to proper officials is a function of the Internal Revenue Service.
Submission of annual report, pertinent information to Congress and reports to the Congressional Oversight Committee in matters of taxation is a function of the Internal Revenue Service.
Theory of Taxation in the government’s necessity for funding.
Basis of Taxation in the mutuality of support between the people and the government.
Theories of Cost Allocation include Benefit Received Theory and Ability to Pay Theory.
The benefit received theory presupposes that the more benefit one receives from the government, the more taxes he should pay.
The ability to pay theory presupposes that taxation should also consider the taxpayer's ability to pay.
Taxpayers should be required to contribute based on their relative capacity to sacrifice for the support of the government.
Vertical equity in the ability to pay theory proposes that the extent of one's ability to pay is directly proportional to the level of his tax base.
Horizontal equity in the ability to pay theory requires consideration of the particular circumstance of the taxpayer.
The statutory taxpayer is the person named by law to pay the tax.
Specific tax is a tax of a fixed amount imposed on a per unit basis such as per kilo, liter or meter, etc.
Progressive or graduated tax is a tax which imposes increasing rates as the tax base increase.
Mixed tax manifests tax rates which is a combination of any of the above types of tax.
Regressive tax is a tax that imposes decreasing tax rates as the tax base increase.
Indirect tax is when the tax is paid by any person other than the one who is intended to pay the same, the tax is said to be indirect.
Excise or privilege tax is a tax imposed upon the performance of an act, enjoyment of a privilege or engagement in an occupation.
Direct tax is when both the impact and incidence of taxation rest upon the same taxpayer, the tax is said to be direct.
An economic taxpayer is the one who actually pays the tax.
Ad valorem is a tax of a fixed proportion imposed upon the value of the tax object.
Proportional tax is a flat or fixed rate tax.
National tax is a tax imposed by the national government.
Local tax is a tax imposed by the municipal or local government.
The Lifeblood Doctrine in taxation states that taxes are essential and indispensable to the continued subsistence of the government.
Upon taxation depends the government's ability to serve the people for whose benefit taxes are collected.
Implication of the lifeblood doctrine in taxation: 1) Tax is imposed even in the absence of a Constitutional grant.
Claims for tax exemption are construed against taxpayers.
The delegation of taxing power to local government units involves four stages: levy or imposition, assessment and collection, legislative discretion, and incidence of taxation.
The primary element of double taxation is the same object.
Levy or imposition is the process that involves the enactment of a tax law by Congress and is referred to as the legislative act in taxation.
Direct double taxation occurs when all the elements of double taxation exist for both impositions.
Business tax situs: Businesses are subject to tax in the place where the business is conducted.
Situs rules serve as frames of reference in gauging whether the tax object is within or outside the tax jurisdiction of the taxing authority.
Property tax situs: Properties are taxable in their location.