Section 63.3170 - By what date must I conduct performance tests and other initial compliance demonstrations?(a)New and reconstructed affected sources. For a new or reconstructed affected source, you must meet the requirements of paragraphs (a)(1) through (4) of § 63.3160 .(b)Existing affected sources. For an existing affected source, you must meet the requirements of paragraphs (b)(1) through (3) of § 63.3160 .