From initial contributions through OASIS Standard, the OASIS specification lifecycle defines the process and approval levels for all committee work. There are five stages:
In addition, Errata can be approved for OASIS Standards.
It's impossible to generalize on the amount of time it takes from a Technical Committee's first meeting to OASIS Standard. The amount of time spent depends on numerous factors, including:
Once a work product is ready for its initial Public Review, it takes a minimum of five (5) months to reach OASIS Standard status. The Public Review to OASIS Standard spreadsheet will help calculate timelines.
This video will introduce you to the spreadsheet and its usage.
OASIS Technical Committee Process Policy - Standards Approval Process