31 CFR §205.21

1. (a)A State may develop a clearance pattern for:
   1. (1)An individual Federal assistance program;
   2. (2)A logical group of Federal assistance programs that have the same disbursement method and type of payee;
   3. (3)A bank account;
   4. (4)A specific type of payment, such as payroll or vendor payments; or
   5. (5)Anything that is agreed upon by us and a State. If a clearance pattern is used for multiple Federal assistance programs, a State must apply the clearance pattern separately to each Federal assistance program when scheduling funds transfers or calculating interest.
2. (b)As set forth in § 205.9, a Treasury-State agreement must include the method a State uses to develop and maintain clearance patterns.