R.I. Gen. Laws § 25-1-4: Effect of Saturday closing on rights and obligations.

Any Saturday upon which any bank, savings bank, trust company, safe deposit company, building-loan association, national banking association, or federal savings and loan association, or any branch or office of the institution shall remain closed pursuant to the provisions of § 25-1-3 and this section shall, with respect to the closed institution, branch, or office, be a holiday for the purpose of chapter 3 of title 6A. If any bank, savings bank, trust company, safe deposit company, building-loan association, national banking association, or federal savings and loan association, or any branch or office of the institution shall close on any Saturday pursuant to the provisions of § 25-1-3, any act that would be required to be performed on any Saturday at or by the institution, or any branch or office of the institution, if the institution, branch, or office of the institution were not closed, shall be performed on the next succeeding business day, and any act that would be authorized or permitted to be performed on any Saturday at or by the institution, or any branch or office of the institution, if the institution, branch, or office of the institution were not closed, may be performed on the next succeeding business day. No liability or loss of rights of any kind shall result from the failure to perform any of those acts while closed on any Saturday.