What is Other Comprehensive Basis of Accounting?

OCBOA (Other Comprehensive Basis of Accounting) contains financial statements made pursuant to an accounting system that is different from GAAP. 

Normally, big companies use Generally Accepted Accounting Principles to prepare their financial statements, commonly known as GAAP. But all companies may not follow GAAP. They may use some non-GAAP accounting basis for the preparation of their financial statements. We call such reports Other Comprehensive Basis of Accounting) or OCBOA.