Review the definition included in Reg O and refer to your bank's call report for the numbers for Tier 1 and Tier 2 capital:
Lending limit. The lending limit for a member bank is an amount equal to the limit of loans to a single borrower established by section 5200 of the Revised Statutes,\2\ 12 U.S.C. 84. This amount is 15 percent of the bank's unimpaired capital and unimpaired surplus in the case of loans that are not fully secured, and an additional 10 percent of the bank's unimpaired capital and unimpaired surplus in the case of loans that are fully secured by readily marketable collateral having a market value, as determined by reliable and continuously available price quotations, at least equal to the amount of the loan. The lending limit also includes any higher amounts that are permitted by section 5200 of the Revised Statutes for the types of obligations listed therein as exceptions to the limit. A member bank's unimpaired capital and unimpaired surplus equals:
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\2\ Where State law establishes a lending limit for a State member bank that is lower than the amount permitted in section 5200 of the Revised Statutes, the lending limit established by applicable State laws shall be the lending limit for the State member bank.
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(1) The bank's Tier 1 and Tier 2 capital included in the bank's risk-based capital under the capital guidelines of the appropriate Federal banking agency, based on the bank's most recent consolidated report of condition filed under 12 USC 1817(a)(3); and
(2) The balance of the bank's allowance for loan and lease losses not included in the bank's Tier 2 capital for purposes of the calculation of risk-based capital by the appropriate Federal banking agency, based on the bank's most recent consolidated report of condition filed under 12 U.S.C. 1817(a)(3)