[[Dear Sister Laurel, when should one write a Rule of Life? You have written that a Rule can only be written on the basis of lived experience. If a diocese asks one to do so right away what should one do?]]
[Please see note at the end of this article!!] You have put your finger on one of the most problematic elements of Canon 603 and of the diocese's approach to its requirements, namely, the request that someone write a Rule of Life before they are really ready to do so, that is, before someone has the lived experience and education (in things like the vows, etc) to do so. As I have written here before, the actual preparation for and writing of a Rule is one of the most formative experiences a hermit will have; it is also something one can only do on the basis of ample reading, reflection, and lived experience. This is because it is not simply a list of do's and don't's but a document which codifies the vision and values of the hermit's life in their interplay with eremitical tradition and the world in which the hermit lives (cf Negotiating the Tensions between Tradition and the Contemporary Situation); a Rule is the way she ensures the environment needed for God to love her (and vice versa) in the silence of solitude as well as achieving the goal of her life which IS the silence of solitude (eremitical communion with God in service to those precious to him). Thus, it should inspire before it legislates and it should legislate only as it inspires.
At the same time the Rule is the single concrete element of canon 603 which lends itself to a diocese's directives; for this reason there is a tendency for chancery personnel to ask candidates to go and write one whether there has been time to discern whether the person has the experience to do so or not. Meanwhile, the Rule that is eventually written by a candidate will help allow the diocese to discern the quality of vocation in front of them. All of this argues that, tempting as it is to do otherwise, the directive to write a Rule should not, and in fact must not, be given prematurely. Still, the hermit candidate needs some sort of provisional Rule or set of guidelines to help her live her life, and her diocese may be seriously tempted to ask her to write A single "finished" Rule before she is really ready, so what is the solution? Part of what follows is meant for dioceses; some will apply to you more directly. I hope that all of it will help you to understand what actually goes into the writing of a Rule.
(N.B., Any one hermit may not use all of these forms of prayer all the time, but she should be acquainted with them and have worked with her director to determine which ones are best for her at this point in time as well, for instance, as which ones work well when she is ill, on vacation or otherwise away from the hermitage, etc). Similarly, elements included in these guidelines will likely include study, recreation, work, contact with others, retreat, desert days, parish involvement, finances, horarium, meals, hospitality, home visits or visits with friends, vacation, spiritual direction, meetings with one's delegate, ongoing education or formation, etc. These should be related to the content of the vows one proposes eventually to make and the central elements of canon 603, so they reflect the hermit's appreciation of the values and charism (gift quality) of the life.
Over time, the hermit will try a variety of forms and combinations of these elements and, with the help of her director and delegate, discover what works best for her. Each experimental version or "configuration" of these elements should be balanced and include prayer, work, study, recreation, etc. Each one should show a real understanding and living out of the elements of the canon and thus, the values and charism of solitary eremitical life. (cf. Notes From Stillsong Hermitage: Appreciating the Charism of Diocesan Eremitical Life) Only when she has done this and discovered which configuration best allows for her own growth in wholeness and holiness in the silence of solitude is she actually ready to write a workable Rule of Life which can be submitted to the diocese.
Part of the process of both discernment and formation, however, involves learning whether one can learn to live a Rule that is both constraining in some ways and freeing in others. A Rule cannot include merely what one finds amenable at this point in time; it must be capable of challenging one to grow in the discipline and spirit of the eremitical life. Though it must not do so slavishly or apart from significant dialogue with the contemporary situation, it must reflect the eremitical tradition with real integrity or it is unworthy of the name. Patience and perseverance are part of the eremitical life, and one must know one is able to live these elements on a day-to-day basis over a period of years in a way that leads to genuine wholeness BEFORE one is admitted to vows.
3) Six to eight months before perpetual or solemn vows are anticipated, the hermit should have completed writing a definitive Rule which becomes canonically binding on the day of solemn/perpetual profession and will be approved first by canonists and then with a Bishop's Decree of Approval. (This period of time is chosen to allow sufficient time for the diocese to consult with canonists, etc, which may lead to a need for rewriting and further consultation. The fact that one has already written a Rule prior to temporary vows should be a big help here, especially if that Rule was used as the basis for conversations with one's diocesan team for the process of discernment and formation.) Canonists will look for issues of canonical patency; it is also a good idea to have the Rule looked at by those who have lived eremitical life for some time to see if there are elements that are less than truly helpful present, or if the hermit has neglected elements that would be particularly helpful. I remember when a Camaldolese monk looked at my Rule, he advised me to be sure and include enough space for true recreation. It was some of the best advice I ever received in this regard.
Regarding your specific question, if your diocese asks you to write a Rule before you feel you are ready, discuss this with them.*** If you like, discuss this article or others you have read on writing a Rule. Most of the time, a diocese merely wants to be sure you are living an ordered life given over to the elements of canon 603. Often, the people making the request have never written a Rule themselves and do not know what is required --- again, this is the single element of the canon they can point to for a concrete result. Even so, they are usually more than willing to give you the time this project truly requires. (I have never heard of a diocese hurrying a person in this. Though prematurity in requesting a Rule is a problem, any perceived urgency is more often of the candidate's own making.) Writing up a set of guidelines or even a provisional Rule which you do not mean to be vetted by canonists or yet shown to your Bishop for approval should be acceptable to whoever is assisting you at the diocesan level. Let them know you are growing in this and that you anticipate writing another Rule in a couple of years when you are more experienced. Personally, I think they will see this as a sign that you know what you are doing (and also as an admission of awareness of your own limitations!) --- both positive signs for a diocese.