The meaning of the Acronym PTIN is...

PTIN is

• Postini Threat Identification Network

More Meanings For PTIN:

• Postini Threat Identification Network
• Preparer Tax Identification Number
• Postini Threat Identification Network
• Preparer Tax Identification Number
• Preparer Tax Identification Number
• Preparer Tax Identification Number

PTIN is also in:

• Accounting
• Firms
• General
• International Business
• Security
• US Government