This excerpt taken from the EQR 8-K filed Sep 16, 2008.
Section 1. SEAL. The Board of Trustees may authorize the adoption of a seal by the Company. The seal shall contain the name of the Company and the year of its formation. The Board of Trustees may authorize one or more duplicate seals and provide for the custody thereof.
Section 2. AFFIXING SEAL. Whenever the Company is permitted or required to affix its seal to a document, it shall be sufficient to meet the requirements of any law, rule or regulation relating to a seal to place the word (SEAL) adjacent to the signature of the person authorized to execute the document on behalf of the Company.