Internal Revenue Service

Internal Revenue Service:


Tax Research

Applicable Federal Rates:\afr\index.html

Tax Penalty Calculator:

Tax Library:



National Charities Information Bureau:

Charitable organization Information List:

Estate and Gift Tax Law:


Estate Planning

Estate Planning Guide:

Estate Tax Calculator:

Valuations Estates,Evaluations and Estimates:

Insurance Value Calculator:

Social Security Calculator:

Consumer Price Index (from 1946):

Social Security Law Materials:


State Taxes

Sales and Use Tax Rates:

State Tax Forms:\fta\forms\html

California Secretary of State:

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California Employment Development Department:

California Tax Forms: