Credit Union, Bank, and Thrift Regulatory Relief Act of 2008

[AI summary unavailable — showing source text] Credit Union, Bank, and Thrift Regulatory Relief Act of 2008 - Amends the Federal Credit Union Act to: (1) permit a credit union to invest in securities for its own account, subject to certain percentage limitations; and (2) increase the investment and lending limit in credit union service organizations from 1% to 3% of a credit union's total paid and unimpaired capital and surplus. Excludes credit union loans to nonprofit religious organizations from limitations placed upon member business loans. Redefines member business loan to increase specified extensions of credit. Authorizes the National Credit Union Administration Board to establish longer loan maturity dates. Directs the Board to prescribe criteria for continued membership of certain member groups in the case of certain credit union conversions to a community charter. Revises requirements for credit union membership in certain underserved areas. Empowers a federal credit union to provide short-term loans as an alternative to payday loans. Authorizes a credit union board of directors to expel a member for just cause, including disruption of credit union operations. Excludes from the meaning of member business loan subject t…