GSA Extending OASIS Small Business Pool 1, 3, 4 and 8(a) Proposal Due Date Submitted by OASIS Blogger on Friday, May 24, 2019 - 12:09 PM The General Services Administration has extended the response date for proposals for the OASIS Small Business Pool 1, 3 and 4 and OASIS 8(a) on-ramp to June 27, 2019. 311Tags: symphony Views: 1877