The purpose of this legislation is to extend the sale of the Alzheimer's semipostal stamp for an additional six years. This stamp was initially introduced by the United States Postal Service in 2017 to help raise funds for Alzheimer's disease research. The aim is to provide a convenient way for the public to contribute to medical research related to this condition. Key provisions of the legislation include a requirement for the United States Postal Service to continue selling the Alzheimer's semipostal stamp for six years beyond the date it would have otherwise stopped selling it.