Before you fill out your property management agreement, write your state at the top of the form. Step 1 – Write Effective Date. 1.Investment management agreements are legal documents that give investment managers the authority to manage capital on behalf of investors. Shapiro notes that in Massachusetts, the state limits the length of management agreements to no more than three years. Edit, sign, and share Investment Management Agreement online. No need to install software, just go to DocHub, and sign up instantly and for free. A Foreign investor Owner will need to obtain a U.S. tax payer identification number and file a declaration with the IRS regarding effectively connected income. The following new and updated forms have been sent to the forms providers. Please note it could take several days for the new forms to populate. Owner appoints Agent to exclusively manage the property located at 2139.