Attire while on Non-Liturgical Church business:

The ordinary attire of all clergy is a Black Cassock or tunic.  This may be of any style. Clergy who are Celi De are to wear the Habit:  cassock black hooded  circular chasuble ( when laid out flat, a Celtic chasubles is a circle 8-10 feet in diameter with the neck hole and hood in the center)  Both are of a black heavy fabric. The chasuble  may be removed according to need as it is an overcoat.  Priests wear the Cross of their office over the chasuble. Abbots may carry a short, straight walking stick with rounded top or open-form wooden crook Archpriests may carry a short, straight walking stick with rounded top. Bishops wear Cross or Rationale of their office over the chasuble. ring on their right hand. They may carry the straight walking stick with rounded top or open-form wooden crook

Liturgical dress:

Servers and all Clerics: cassock alb
Subdeacon: cassock amice alb sole† * maniple† *
Deaconess: Habit: cassock black hooded  circular chasuble stole† Due to the non-Eucharistic nature of this Order, vesting in the Habit and Stole is optional.
Deacon: cassock amice alb cincture stole† worn over the left shoulder and held on the right side by the cincture. hooded and circular chasuble†  maniple†* cuffs†*
Priest: cassock amice alb cincture stole †worn crossed over the breast and held by the cincture. hooded and circular chasuble† Cross maniple†* cuffs†* Abbots carry a short, straight walking stick with rounded top or open-form wooden crook. Archpriests carry a short, straight walking stick with rounded top.
Bishop: cassock amice alb cincture stole† worn straight down the front and held by the cincture. hooded and circular chasuble† Rationale maniple†* cuffs†* ring staff or crook of Abbots The Mitre is the flat Mitre

† Of the Color of the Day.
*Maniple and cuffs are worn only if the Eucharist is to be Offered.