regulatory information

The following links may be of interest:

Datair
Quick reference to IRS limits, PBGC rates, and links to other sources of rate information.

ASPPA
The American Society of Pension Professionals & Actuaries

US Tax Code
A searchable version of the full text of the US Tax Code

Benefits Link
The free nationwide (USA) Internet link to information and services for employers sponsoring employee benefit plans, companies providing products and services for plans, and participating employees.