Section 370.33 - When must I submit the information?(a) You must submit an MSDS (or SDS) or a list, as provided in § 370.30(a) , for a hazardous chemical subject to the reporting requirements of this part by October 17, 1987, or within 3 months after you first become subject to the reporting requirements of this part (as provided in §§ 370.30 and 370.31(b) ).(b) You must submit a revised MSDS (or SDS), as provided in § 370.31(a) , within 3 months after discovering significant new information about a hazardous chemical for which an MSDS (or SDS) was submitted.(c) You must submit an MSDS (or SDS) requested by the LEPC, as provided in §§ 370.30(b) and 370.31(c) , within 30 days of receiving the request.73 FR 65478, Nov. 3, 2008, as amended at 81 FR 38108, June 13, 2016 As amended at 81 FR 38108, 6/13/2016