(1) If a contractor prepares and furnishes complete specifications covering nondevelopmental items, to be used in a competitive acquisition, that contractor shall not be allowed to furnish these items, either as a prime contractor or as a subcontractor, for a reasonable period of time including, at least, the duration of the initial production contract. The restriction in this paragraph (a)(1) shall not apply to-

(i) Contractors that furnish at Government request specifications or data regarding a product they provide, even though the specifications or data may have been paid for separately or in the price of the product; or

(ii) Situations in which contractors, acting as industry representatives, help Government agencies prepare, refine, or coordinate specifications, regardless of source, provided this assistance is supervised and controlled by Government representatives.