Type I security
Type I security means:
(1) Obligations of the United States;
(2) Obligations issued, insured, or guaranteed by a department or an agency of the United States Government, if the obligation, insurance, or guarantee commits the full faith and credit of the United States for the repayment of the obligation;
(3) Obligations issued by a department or agency of the United States, or an agency or political subdivision of a State of the United States, that represent an interest in a loan or a pool of loans made to third parties, if the full faith and credit of the United States has been validly pledged for the full and timely payment of interest on, and principal of, the loans in the event of non-payment by the third party obligor(s);
(4) General obligations of a State of the United States or any political subdivision thereof; and municipal bonds if the national bank is well capitalized as defined in 12 CFR 6.4;
(5) Obligations authorized under 12 U.S.C. 24 (Seventh) as permissible for a national bank to deal in, underwrite, purchase, and sell for the bank's own account, including qualified Canadian government obligations; and
(6) Other securities the OCC determines to be eligible as Type I securities under 12 U.S.C. 24 (Seventh).
12 CFR § 1.2
Capital and surplus means:
(1) For qualifying community banking organizations that have elected to use the community bank leverage ratio framework, as set forth under the OCC's Capital Adequacy Standards at part 3 of this chapter:
(i) A qualifying community banking organization's tier 1 capital, as used under § 3.12 of this chapter; plus
(ii) A qualifying community banking organization's allowance for loan and lease losses or adjusted allowances for credit losses, as applicable, as reported in the bank's Consolidated Report of Condition and Income (Call Report); or
(2) For all other banks:
(i) A bank's tier 1 and tier 2 capital calculated under the OCC's risk-based capital standards set forth in part 3 of this chapter, as applicable (or comparable capital guidelines of the appropriate Federal banking agency), as reported in the bank's Call Report; plus
(ii) The balance of a bank's allowance for loan and lease losses or adjusted allowances for credit losses, as applicable, not included in the bank's tier 2 capital, for purposes of the calculation of risk-based capital described in paragraph (a)(2)(i) of this section, as reported in the bank's Call Report.