31 C.F.R. § 515.590

The provision of grants, scholarships, or awards relating to the following activities to a Cuban national or in which Cuba or a Cuban national otherwise has an interest is authorized, provided that nothing in this section authorizes a direct financial transaction prohibited by § 515.209:

(a) Educational activities;

(b) Humanitarian projects, as set forth in § 515.575(b);

(c) Scientific research; and

(d) Religious activities.