At Beta Sigma Omicron's Convention (75th anniversary), a vote on absorption or disbanding was taken. Although Beta Sigma Omicron had chartered 61 chapters and had almost 15,000 initiated sisters, at the time of the anniversary, it only had 13 active chapters, and thus no longer met the National Panhellenic Conference's membership requirements. The vote was unanimous for absorption and Beta Sigma Omicron looked for an organization for merger. On , Beta Sigma Omicron was absorbed by Zeta Tau Alpha.
