relevant laws and regulations in any relevant jurisdiction. 7.5 Client has proper authority from its principal to enter into these Terms of Business (including the granting of the set-off rights set out at clause 24 (Set-Q8) and the security interest set out at clause 25 (Rights over Client Investments)) and to perform the transactions and activities contemplated by these Terms of Business on the principal's behalf. 7.6 Client acknowledges that providing details of its principal will not make Client's principal a client (as defined in Applicable Law) of DB. 7.7 Unless otherwise agreed in writing between DB and Client, if Client is acting on behalf of any principal or principals when transacting business with DB under these Terms, DB will treat Client alone (rather than any such principal or principals) as its client for all purposes in relation to Applicable Law. Where Client acts as agent for any principal or principals, any undertakings, acknowledgements and consents made or granted by Client in these Terms are made or granted by Client, and any undertakings, notices and licences given or granted to Client in these Terms arc given or granted to Client, on behalf of Client's principal(s). 7.8 Client is responsible for notifying DB immediately if. at any point in time, any of the undertakings and warranties listed in clauses 7.1 or 7.4 cease to be accurate or if there are any changes to such undertakings and warranties. 7.9 Client undertakes that it will not: (a) refer to any transaction undertaken with or by DB or any member of the DB Group; or (b) use names, brands, logos, service or trade marks of the DB Group including in any press release, public statement, advertisement, term sheet, sales memo, presentation, marketing material or offering circular, without DB's prior written consent which may be withheld in DB's absolute discretion (each approved communication, an "Approved Communication") and