### Which of the following is NOT a requirement for a building to be legally designated as a historic structure? - [ ] Achieve historic certification by the U.S. Secretary of the Interior - [ ] Be listed in the National Register of Historic Places - [ ] Be registered within a historic district - [x] Be over 100 years old > **Explanation:** To be legally designated as a historic structure, a building must achieve historic certification by the U.S. Secretary of the Interior, be listed in the National Register of Historic Places, or be registered within a historic district. Age alone is not enough to meet these requirements. ### Who must grant historic certification for a structure to be legally designated as historic? - [ ] The state government - [ ] The local historical society - [ ] The property owner - [x] The U.S. Secretary of the Interior > **Explanation:** A historic structure must achieve historic certification by the U.S. Secretary of the Interior, be listed in the National Register of Historic Places, or be registered within a historic district to be legally designated as historic. ### What tax benefit do owners of historic structures currently access for restoring their properties? - [ ] A 10 percent tax credit - [ ] A 15 percent tax credit - [x] A 20 percent tax credit - [ ] No tax credit available > **Explanation:** Owners of historic structures are entitled to a 20 percent tax credit for the physical restoration of their properties, as long as those restoration efforts are in accordance with national, state, and regional historic structure laws. ### What must owners of historic structures usually adhere to regarding property alterations? - [ ] Standard residential building codes - [x] Special alteration and maintenance rules - [ ] Special homeowners association guidelines - [ ] Local zoning laws > **Explanation:** Owners of historic structures must usually adhere to special alteration and maintenance rules concerning the property to ensure that any changes preserve the historic significance of the structure. ### In addition to being certified by the U.S. Secretary of the Interior, where else can a building be registered to qualify as a historic structure? - [x] National Register of Historic Places - [ ] Local real estate office - [ ] State tourism board - [ ] County recorder's office > **Explanation:** Besides being certified by the U.S. Secretary of the Interior, a building or home can also qualify as a historic structure if it is listed in the National Register of Historic Places or registered within a historic district. ### Where are historic districts commonly found? - [ ] Suburban neighborhoods - [ ] New residential developments - [x] Areas with a large number of historic structures - [ ] Business districts > **Explanation:** Historic districts are groupings of designated areas that contain a large number of historic structures, residences, buildings, or sites, and not typically found in newer developments or primarily business districts. ### What is a key characteristic that qualifies a building as a historic structure? - [x] Its political, social, or architectural importance in a historical period - [ ] Its location - [ ] Its current market value - [ ] Its size > **Explanation:** For a building to qualify as a historic structure, it must hold significance due to its political, social, or architectural importance during a particular historical period. ### What organization maintains the National Register of Historic Places? - [x] The National Park Service - [ ] The Department of Housing and Urban Development - [ ] The Federal Housing Administration - [ ] The National Association of Realtors > **Explanation:** The National Register of Historic Places is maintained by the National Park Service, an agency within the U.S. Department of the Interior. ### Can modern buildings receive historic certification? - [x] Yes, if they hold significant political, social, or architectural importance - [ ] No, only buildings over 100 years old can be certified historic - [ ] No, only buildings from before 1950 can be certified historic - [ ] Yes, any building can apply for historic certification > **Explanation:** Modern buildings can receive historic certification if they hold significant political, social, or architectural importance in a historical context. Age alone does not dictate eligibility. ### Which agency is responsible for certifying a building as historic, maintaining the National Register of Historic Places, and overseeing historic districts? - [x] The U.S. Department of the Interior - [ ] The Federal Housing Administration - [ ] The Department of Commerce - [ ] The National Association of Home Builders > **Explanation:** The U.S. Department of the Interior, through its National Park Service, is responsible for certifying buildings as historic, maintaining the National Register of Historic Places, and overseeing historic districts.