The dynamisation of art in the 20th century and its impact on typographie. by Michael Mahla. As early as the first decades of this century, velocity, machines and films were well-known phenomena. They had a decisive impact on the artists of those days. The introduction of new technologies transcended imagination, changed communication, the artistic point of view, and human consciousness itself.
Howard, Kimberly. Keep your tax records for a minimum of 3 years. After that, it depends on your situation as to the length of time. If you wrote off a bad debt, better keep them for 7 years. If you have a small business, 7 years may serve you best. Be sure to keep not only a copy of the return, but all the supporting documents.
Department of Taxation and Finance. Recordkeeping. You must keep records that allow you to prepare complete and accurate tax returns for your business. You must also keep documents, such as canceled checks, receipts, cash register tapes, purchase orders, and other sales records to support your business records. Generally, you must keep records and supporting documents for at least three years after you file a return. Your records may be in paper, electronic format, or both. You must be able to compare records from one time period (such as month, quarter, or year) with records from another period.