Vertical Contract On. Ramping The OASIS Program is a family of OASIS Pools and OASIS Small Business (SB) Pools with identical scopes. Each OASIS Pool is unrestricted and each OASIS SB Pool is a 100% Small Business Set Aside contract. For those OASIS SB Contractors who no longer certify as a small business for their respective OASIS SB Pool, the OASIS SB Contractor may elect to be considered to be placed on the corresponding OASIS unrestricted Pool. In order to be eligible to do this, the recertification as a large business of the company must not have been achieved on the basis of a merger or acquisition; or novation agreement in recognition of a successor in interest when Contractor assets are transferred during the term of OASIS SB. For example, if Contractor X in OASIS SB Pool 1 ($16.5M size standard), can no longer certify as a small business under the $16.5M size standard, Contractor X may elect to be considered for OASIS Pool 1 as a large business. In order to vertically on-ramp, the Contractor must: