1.  2010 Schedule M-3 Changes and New Revised Line Instructions

The 2010 1120, 1120-L, 1120-PC, and 1120-S Schedule M-3 each have two new lines in Part III, one for R&D costs and one for Section 118 exclusions. The 2010 1065 Schedule M-3 has one new line in Part III for R&D costs. In addition, the instructions for all Schedule M-3 forms are clarified as to the attachment required for the "other with difference" lines (one in Part II and one in Part III) and as to the "separately stated and adequately disclosed" requirement for those lines.
 

For more details please use the following link:

http://www.irs.gov/pub/irs-utl/draft2010_1120m3.pdf