Incipit tractatus dubiorū ca difficultatū circa officiū miſſe ⁊ ea q̄ ad debitā eiuſdē celebrationē exigunt̉ frequētiꝰ occurrētiū. iuxta ſacroꝝ canonū ꝯſtitutōes. ꝓbatorūqꝫ doctorū firmiores atqꝫ tutiores ſententias reſolutorius. Capitulū pͥmū. De intētione collectoris. ⁊ materia tractāda. tractādorūqꝫ numero. diſtinctōe atqꝫ ordine duos ꝯtinēs articulos. Articulus pͥmꝰ. Premittēs p̄fationē. intentū. tractandaqꝫ exponentē. Prefatio Fficium quāto maius ⁊ digniꝰ eſt. tanto cum maiori ſollicitudine atqꝫ diligētia ex ercendū eſt. Grauiꝰ em̄ quis delinqͥt ſi exequēdo circa hoc negligētiā. defectū vel errorē aliquē admiſerit. Inter oīa aut officia humane facultati cōmiſſa nō eſt aliqd̓ maiꝰ dignius aut difficiliꝰ. qͣꝫ debita miſſaꝝ celebratio. In qͣ ſacramētū corꝑis et ſanguinis ih̓u xp̄i redēptoris noſtri ꝯſecrat̉. īmolat̉ ⁊ ſumit̉. Sacro canone atteſtante. Nō modica inqͥt res eſt vnā miſſam facere. Et valde felix eſt. qui vnā digne celebrare pōt. Reſtat igit̉ vt nuſqͣꝫ cū grauiori ꝑiculo peccet̉. qͣꝫ ſi in executōe huiꝰ digniſſimi officij negligētia vel error cōmitta tur. Eapropter vt ſacerdotes ſimplices qͥ noticiā canonū nō hn̄t. neqꝫ ſꝑ facilē recurſum ad ſuꝑiores ſuos aut ad viros doctos habere pn̄t. melius cauere valeant ne circa maximū iſtud myſteriū deficiūt vel errēt. Et vbi aliqd̓ hoꝝ ꝯtigerit. debitis remedijs emendare ſciant. valde vtile atqꝫ ne ceſſariū fore iudicauimꝰ. vt circa hec oportuna eis tradat̉ inſtructio. Qd̓ vt lucidiꝰ fiat circa ſingula q̄ ad debitā miſſe celebrationē exigunt̉. dubia frequētius occurrētia mouebunt̉. Ex qͦꝝ reſolutōibꝰ congrua ip̄is defecti bus ⁊ erroribꝰ remedia atqꝫ cautele poterunt adhiberi. Articulus ſcd̓s. tractat numeꝝ diſtinctionē ⁊ ordinē tractandoꝝ per dubij ſolutionē prenotās Ad prenoticia tractandoꝝ p̄mittit̉ hoc dubiū. Quot ⁊ q̄ ad debitā ac ordinatā digniſſimi ſacramēti euchariſtie ⁊ miſſe celebratōꝫ reqͥrant̉. cuius ſolutio eſt. Ꝙ ſunt nouē generalia. ad q̄ oīa neceſſaria reduci pn̄t. Primū. Miniſter ſiue ſacerdos ad celebrandū idoneꝰ. Scd̓m. Locus ce lebrādi ꝯueniēs. Tertiū. Tempus celebrādi cōgruū. Quartū. Materialia ad ornatū vel cōgruentiā celebratōis oportuna. vt veſtes. ⁊c̄. hmōi. Quintū. Ceremonie in dicēdis ⁊ agēdis ꝯſuete. Sextum. Materia ad ꝯſecrādū apta.ſ. panis ⁊ vinū. Septimū. Forma ꝯſecratōis vtriuſqꝫ debita. Octauū. Noticia intentōis ac rōnis eoꝝ q̄ in miſſa dicunt̉. Nonū. Intelligētia rōnis ⁊ ſignificatōis eoꝝ q̄ in miſſa ⁊ circa eam agunt̉. Circa hec que dubia ac difficultates ſepiꝰ obuiēt ſacerdotibꝰ miſſas celebraturis aut celebrātibꝰ. ꝑ nouē ſequētia capitula elucidabit̉. Capitulū ſcd̓m de dubijs occurrētibꝰ circa miniſtrū ſiue ꝑſonā ad celebrandū idoneā quinqꝫ includens articulos.
