Each limited partnership shall keep at the office referred to in section 105(a)(1) all of the following: (1) a current list of the full name and last known business or residence address of each partner, specifying separately the general partners and limited partners and set forth in alphabetical order within each category; (2) a copy of the certificate of limited partnership and all certificates of amendment to that certificate, restated certificates of limited partnership and certificates filed pursuant to section 104(a), together with executed copies of any powers of attorney pursuant to which any certificate has been executed; (3) copies of the limited partnership’s federal, state, and local income tax returns and reports, if any, for the 3 most recent years; and (4) copies of any then effective written partnership agreements and of any financial statements of the limited partnership for the 3 most recent years. Records required to be kept by this section are subject to inspection and copying by any partner or his or her designated representative during ordinary business hours, at the reasonable request and at the expense of such partner.