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For a self-employed person or business in Spain with an overdue unpaid invoice: a courteous Spanish reminder identifying the invoice, its amount and due date, asking for payment or for proof if already paid, and recalling that late-payment interest and recovery costs under Spain's Law 3/2004 run from the due date. Sent by e-mail or, for proof of content, by burofax; if payment does not follow, the next step is the demand with an invitation to negotiate. In Spanish.

Spain's tax agency offers a free invoicing application (VERI*FACTU) on its website; you do not need DocMuse for this. For a self-employed person or business in Spain invoicing without software who must correct an invoice: the Spanish corrective invoice of art. 15 of Royal Decree 1619/2012, in its own series, naming the invoice corrected, the reason and the amounts by difference or by replacement; VAT, IGIC in the Canary Islands or IPSI. In Spanish.

For a self-employed person or business whose invoices another business in Spain will not pay: a Spanish demand for the principal, the late-payment interest and the 40 euros per invoice of Spain's Law 3/2004, with the invitation to negotiate within thirty days that Organic Law 1/2025 requires before a court claim, including the payment-order procedure (monitorio). Sent by burofax with certified content and acknowledgement of receipt, proving what was sent and when. In Spanish.

For two private individuals in Spain with a dispute over money or a contract (a debt, damage, a sale, building work) who settle it without a lawsuit, each giving something up (article 1809 of the Spanish Civil Code). It is a form with fields: the matter, what each side gives or does and by when, the payment and the account, and the waiver of further claims on that matter. It records that the agreement was reached in a negotiation under Organic Law 1/2025 and that either side may have it made into a notarial deed. Not for employment or family matters. Signed in two copies. In Spanish.

For a business or self-employed person in Spain ending a services or supply contract with another business: a Spanish letter giving notice of termination, choosing the ground (the right to terminate or withdraw that the contract gives, or the other party's breach under art. 1124 of the Spanish Civil Code), setting the effective date and asking for materials back and the final invoice. Sent by burofax with certified content and acknowledgement of receipt. In Spanish.

For an individual, self-employed person or business with a dispute of up to 2,000 euros in Spain who wants to settle it without a trial: the Spanish confidential binding offer of art. 17 of Organic Law 1/2025, stating the dispute, the amount and the terms, with an acceptance at the foot. If the other side accepts it expressly, it binds the offeror; if it refuses or stays silent for a month, the pre-court requirement is met. Sent by burofax. In Spanish.

For an employer in Spain that needs a temporary contract for an occasional, unforeseeable rise in activity or for an occasional, foreseeable and short situation. It makes the employer describe the cause, the specific circumstances and their link with the term precisely, as art. 15 of the Spanish Workers' Statute has required since the 2021 labour reform: without that cause the contract is open-ended. It sets the term (up to six months, or a year if a sector agreement extends it), trial period, hours, pay and the final payment of twelve days per year. Signed before work starts. In Spanish.

For an employee in Spain caring for a child under twelve, a person with a disability or a relative who cannot look after themselves, who wants to work fewer hours. The letter gives notice of the reduction (between one eighth and one half, with pay cut in proportion), the hours chosen within the ordinary working day and the dates, with the fifteen days' notice of art. 37.7 of the Spanish Workers' Statute. It is handed over against a receipt, sent by certified letter or by burofax. In Spanish.

For the landlord and the tenant of a home in Spain at the start of a lease: the record both sign on the day the keys are handed over, with the meter readings, the keys handed over, the state of each room, the inventory of furniture and appliances, the documents handed over, outstanding repairs and the number of photos attached. It records the state in which the tenant receives the home (articles 1561 and 1562 of the Spanish Civil Code). Signed in two copies, in person, and attached to the lease. In Spanish.