< Department Letterhead > ATTN: Material Support Services: STORE SUBJECT: Purchase of Tax‐Free 190 and 200 Proof Ethyl Alcohol The persons named on this letter have been assigned the duty of alcohol custodian for this department and are authorized to purchase pre‐packaged or bulk alcohol from the UCSD STORE. I affirm that the tax‐free alcohol purchased is used only for scientific, medicinal, and mechanical purposes.  Last name, first name, email  Last name, first name, email ________________________________ ________________ Signature of Department Chair Date Name Title Department