50 CFR §20.155

1. (a)Establishment. A public file will be established for each rulemaking to which this subpart N is applicable.
2. (b)Contents. Except for information exempt from disclosure under 5 U.S.C. 552, a public file established pursuant to paragraph (a) of this section will contain:
   1. (1)The minutes of Regulations Committee meetings made pursuant to paragraph (d) of § 20.153;
   2. (2)Any written comments and other significant written communications which occur after the notice of proposed rulemaking;
   3. (3)Summaries, identifying the source, of any significant oral communications which occur after the notice of proposed rulemaking; and
   4. (4)Copies of or references to any other significant data or information.