(a) ACP test safe harbor—(1) Section 401(m)(11) safe harbor. Matching con-tributions under a plan satisfy the ACP safe harbor provisions of section 401(m)(11) for a plan year if the plan satisfies the safe harbor contribution requirement of paragraph (b) or (c) of this section for the plan year, the limi-tations on matching contributions of paragraph (d) of this section, the notice requirement of paragraph (e) of this section, the plan year requirements of paragraph (f) of this section, and the additional rules of paragraphs (g), (h) and (j) of this section, as applicable.