Restrict Manual Payments to certain banks and payment instruments

we are on E1 9.1 and using vanilla AP module. We use Manual payment for certain wire, etc. and use automatic payment for a significant part of our payment needs. We would like to restrict users from creating manual payment for certain banks and/or certain payment instruments. If there's a way to control this through processing option we would like to have a version that would allow manual payment for all transactions and would like to restrict this version only to a select few. We are interested in know how can we avoid users from creating manual payments for certain