§223.21. What valuation and timing principles apply to credit transactions? — Inbound Citations

(i) A purchase from an affiliate of an extension of credit to an affiliate must be valued in accordance with § 223.21, unless the note or obligation evidencing the extension of credit is a security issued by an affiliate (in which case the transaction must be valued in accordance with § 223.23).

(2) A member bank's purchase of or investment in a security issued by a nonaffiliate that becomes an affiliate of the member bank must be treated according to the same transition rules that apply to credit transactions described in paragraph (b)(2) of § 223.21.